APEX PLEASE HELP
To increase the electricity supply in the country, a government needs to build
a new power plant. Which of the following is a cost associated with the use
of nuclear power that should be factored into its decision?
A. Nuclear power produces radioactive waste.
B. Nuclear power does not depend on wind.
C. Nuclear power does not contribute to climate change.
D. Nuclear power can be produced both day and night.

Answers

Answer 1

Answer: A. Nuclear power produces radioactive waste.


Related Questions

An astronaut weighing 588 N on earth notices that he weighs only 98 N on moon. His mass on moon is blank kg

Answers

Answer:

60 kg

Explanation:

An astronaut weighs 588 N on the earth

He also weighs 98 N on the moon

Therefore the the mass of the astronaut on the moon can be calculated as follows

= 588/98

= 6 × 10

= 60 kg

Hence the mass of the astronaut on the moon is 60 kg

The mass of the astronaut on the moon will be equal to 60 kg whereas the gravitational acceleration on the moon is 1.63 [tex]\rm m/s^2[/tex].

Given information:

An astronaut weighing 588 N on the earth notices that he weighs only 98 N on the moon.

The mass of any object in the whole universe doesn't change but the gravitational force or weight can change. This is because the gravitational acceleration can change.

The mass of the object in the earth or anywhere will be,

[tex]w=mg\\588=m\times 9.8\\m=60\rm \; kg[/tex]

So, the astronaut has 60 kg mass which is constant.

The gravitational acceleration on the moon will be,

[tex]98=60a\\a=1.63\rm\; m/s^2[/tex]

Therefore, the mass of the astronaut on the moon will be equal to 60 kg whereas the gravitational acceleration on the moon is 1.63 [tex]\rm m/s^2[/tex].

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In the early 1900s, Robert Millikan used small charged droplets of oil, suspended in an electric field, to make the first quantitative measurements of the electron’s charge. A 0.71-um-diameter droplet of oil, having a charge of , is suspended in midair between two horizontal plates of a parallel-plate capacitor. The upward electric force on the droplet is exactly balanced by the downward force of gravity. The oil has a density of 860 kg/m^3 , and the capacitor plates are 4.5 mm apart.

Part A
What must the potential difference between the plates be to hold the droplet in equilibrium?
Express your answer to two significant figures and include the appropriate units

ΔV=

Answers

Answer:

The potential difference is   [tex]\Delta V  =  44.40 \  V [/tex]

Explanation:

From the question we are told that

   The diameter of the droplet of oil is [tex]d =  0.71 \mu m  =  0.71 *10^{-6} \ m[/tex]

    The density of the oil is  [tex]\rho =  860 kg/m^3[/tex]

    The distance of separation of the capacitor plate is  [tex]l  = 4.5 \ mm =  0.0045 \  m[/tex]

Generally the radius of the droplet is mathematically represented as

       [tex]r = \frac{d}{2}[/tex]

=>      [tex]r = \frac{0.71 *10^{-6} }{2}[/tex]

=>      [tex]r = 3.55 *0^{-7} \  m[/tex]

Generally the mass of  the oil droplet is mathematically represented as

       [tex]m  =  \rho  *  V[/tex]

Here  V  is the volume of the oil droplet which is mathematically represented as

      [tex]V  =  \frac{4}{3} * 3.142 * (3.55 *0^{-7} )^3[/tex]

       [tex]V  =  1.874 *10^{-19} \  m^3[/tex]

So

       [tex]m  =  860  *  1.874 *10^{-19} [/tex]

=>    [tex]m  =  1.611 *10^{-16} \  kg [/tex]

Generally the electric force acting on the droplet is mathematically represented as  

       [tex]F  =  E  *  q[/tex]

Here q is the charge on an electron with value  [tex]q =  1.60*10^{-19}\ C[/tex]

This force is equivalent to the weight of the droplet which is mathematically represented as

        [tex]W =  mg[/tex]

So

       [tex]E *  q =  m *  g[/tex]

Here E is the electric field which is mathematically represented as

    [tex]E =  \frac{\Delta V}{l}[/tex]

      [tex]\frac{\Delta V}{l}  *  q =  m *  g[/tex]

=>    [tex]\Delta V  =  \frac{m *  g  *  l }{q}[/tex]

=>    [tex]\Delta V  =  \frac{1.611 *10^{-16}  *  9.8   *  0.0045 }{1.60*10^{-19}}[/tex]

=>    [tex]\Delta V  =  44.40 \  V [/tex]

Doctors were furious. Their patients didn't care about regular medicine anymore. All they wanted was a wave of Dr. Mesmer's wand. The doctors griped — and groused — and fussed — and fumed. What is most likely the meaning of the word furious?
A quietly curious B quite thrilled C mildly annoyed D extremely angry

Answers

Answer:

am pretty sure the answer is d

A pigeon takes off from where it was initially on the ground, near where home base is located at Regions Field (close to 1st Ave. South and 14th street in Birmingham), and the bird flies at what you can consider a constant speed of 18 m/s along a direct straight line to Birmingham International Airport, where he lands on the roof of one of the main terminals there. 5.E. How many seconds does it take the bird to make this trip

Answers

Answer:

1.84 seconds

Explanation:

Given

initial velocity u = 0m/s

final velocity v = 18m/s

To get the time it takes the bird to make this trip, we will use the equation of motion

v = u+gt

g is the acceleration due to gravity = 9.81m/s²

t is the time

Substitute into the formula:

[tex]18 = 0+(9.81)t\\18 = 9.81t\\9.81t = 18\\t = \frac{18}{9.81}\\ t = 1.84secs[/tex]

Hence it took the bird 1.84seconds to make this trip

If the length of an ax is 20 cm and the width is 5 cm what is the MA of a knife?
O 2
0 4
O 10
O6

Answers

Answer:

4

Explanation:

From the question given above, the following data were obtained from:

Length of an axe = 20 cm

Width = 5 cm

Mechanical advantage (MA) =.?

The mechanica advantage is simply defined as the ratio of the length to the width of the axe. Mathematically, it is expressed as:

Mechanical advantage = length /width

With the above formula, we can obtain the mechanical advantage of the axe as follow:

Length of an axe = 20 cm

Width = 5 cm

Mechanical advantage (MA) =.?

MA = 20/5

MA = 4

Therefore, the mechanical advantage (MA) of the axe is 4

A coil is wrapped with 206 turns of wire on the perimeter of a circular frame (of radius 31 cm). Each turn has the same area, equal to that of the frame. A uniform magnetic field is directed perpendicular to the plane of the coil. This field changes at a constant rate from 23 mT to 54 mT in 24 ms. What is the magnitude of the induced average E in the coil, over the time interval 24 ms during which the field changes? Answer in units of V.

Answers

Answer:

  E = -80.33 V

Explanation:

For this exercise we use Faraday's law of induction

         E = - N d[tex]\phi _{B}[/tex] / dt

where the magnetic flux is

        \phi _{B} = B A cos θ

In the exercise they indicate that the magnetic field is perpendicular to the coil, therefore the normal of the coil area and the field has the same direction, consequently the angle is zero. Since the area is constant

        E = - N A dB / dt

let's look for each term

        a =π r²

they tell us that the variation in the field is linear

         dB / dT = (B_f-B₀) / t

we substitute

       E = - N (π r²) (B_f -B₀) / t

let's calculate

       E = - 206 π 0.31² (54 - 23) 10⁻³ / 24 10⁻³

        E = -80.33 V

You move 6 meters east and move 8 meters south what’s the distance and displacement

Answers

Distance = 14 m
Displacement = 10 m
Angle = inv tan (8/6)

The distance travelled in total is 14 m.  But the resultant displacement is the square root of the sum of squares of each distances covered in different directions, that is 10 m.

What is displacement ?

Displacement is a physical quantity that, that measures how far we travelled from a mean position. The change in position is dependent on the magnitude and direction as well. Hence, displacement is a vector quantity.

The distance covered by an object is total length or sum magnitudes of the length it covered. It is a scalar quantity. Here, the distance covered is 6 + 8 = 14 m.

The resultant displacement here, is calculated as follows:

ds = √(6² + 8²) = √100 = 10 m

Therefore, the displacement of us will be 10 m.

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State and explain Gauss's law in
electrostatics and use it to determine the electric field
intensity due to a line charge.

Answers

To find:-

To find the electric field due to a point charge using Gauss's Law .

Answer:-

Gauss's law in electrostatics states that the electric flux through a closed surface is equal to 1/ε0 times the charge enclosed by that surface, that is,

[tex]\implies \displaystyle \phi_E = \oint \vec{E} .\vec{ds} \\[/tex]

Also ,

[tex]\implies\displaystyle \oint \vec{E}.\vec{ds} =\dfrac{q}{\epsilon_0} \\[/tex]

Linear density of charge:-

It ise defined as charge per unit length. Mathematically,

[tex]\implies\displaystyle \lambda =\dfrac{q}{\ell} \\[/tex]

where ,

[tex] q[/tex] is the charge .[tex]\ell[/tex] is the length of the conductor.

For figure see attachment.

Now let us assume that the linear density of charge is [tex]\lambda[/tex] . There is a point P near the wire at a distance of " r " from it , where we are interested in calculating the electrical field. Imagine a coaxial Gaussian cylinder of length [tex]\ell[/tex] , and radius " r " such that the point P lines on its surface.

Calculating Electrical flux through the cylinder:-

[tex]\implies\displaystyle \phi_E = 0 + 0 + \oint E.ds \\[/tex]

[tex]\implies\displaystyle\phi_E = \oint E.ds \ \cos0^o \\[/tex]

[tex]\implies\displaystyle \phi_E = \oint Eds \\[/tex]

[tex]\implies\displaystyle \phi_E = E\oint ds \\[/tex]

[tex]\implies\displaystyle \phi_E = E (2\pi r\ell) \ \ dots (1) \\[/tex]

From Gauss's law:-

[tex]\implies\displaystyle \phi_E =\dfrac{q}{\epsilon_0} \\[/tex]

[tex]\implies\displaystyle \phi_E = \dfrac{\lambda \ell}{\epsilon_0}\ \dots (2) \\[/tex]

Therefore , from equation (1) and (2) , we have;

[tex]\implies\displaystyle E \times 2\pi r \ell =\dfrac{\lambda\ell}{\epsilon_0}\\[/tex]

[tex]\implies\displaystyle \underline{\underline{\green{ E =\dfrac{1}{4\pi \epsilon_0}\dfrac{2\lambda}{r}}}}\\[/tex]

And we are done!


A car is traveling at a speed of 45 km/h into town. It takes the car 2 hours to get there. How far has the car traveled?

Answers

Answer:

90 km

Explanation:

45 km per hr

2 hrs

45 x 2 = 90

90 km/2 hrs

Hope this helps!

The car traveled 90 km
If the car is traveling 45 km per hour you just need to double it by multiplying it by 2 to get 2 hours

A car travels 85 km in the first half hour of a trip. The car continues to travel for 2 more hours and travels 200 km. What was the average speed of the car for the trip?

Answers

Answer:

50

Explanation:

Which of the following represents an example of thermal energy?
O a
Saxophone
Ob
Oven
с
Powerlines
Od
Windmill

Answers

Answer:

The answer of this question is windmill

An airplane flying at 119 m/s is accelerated uniformly at the rate of 0.5 m/s2 for 10
seconds. What is its final speed?

Answers

Answer:

124m/s

Explanation:

v=u+at

v=119+(0.5×10)

v=119+5

v=124m/s

which one is the biggest unit of plane angle
radian degree or revolution

Answers

Answer:

i think radian degree thank you

Explanation:

cuz right the degree angle i responsible more

Answer:

Its radian degree

Explanation:

Because the length of an arc of a unit circle is equal to measurement in radians of angle.

So it is the biggest unit of plane angle

The diameter of a hydrogen atom is 0.000000000106 m. How can this
number best be expressed in scientific notation?
O A. 10.6 x 10-9 m
O B. 1.06 x 10-9 m
O C. 1.06 x 10-10 m
O D. 1.06 -1010 m
( please help me! )

Answers

Answer:

The diameter of a hydrogen atom based on scientific notation is 1.06 x 10^-10 m

The diameter of a hydrogen atom is 0.000000000106 m. This is number can best be expressed in scientific notation as 1.06 x 10⁻¹⁰ m. Hence, option (C) is correct.

What is scientific notation?

Scientific notation is a means to express values that are either too big or too little to be conveniently stated in decimal form (typically would result in a long string of digits). It is also known as standard form in the UK and scientific form, standard index form, and standard form.

Scientists, mathematicians, and engineers frequently utilize this base ten notation because it can make some mathematical operations simpler. It is typically referred to as "SCI" display mode on scientific calculators.

As there has 9 zeros after the decimal, this number can best be expressed in scientific notation as 1.06 x 10⁻¹⁰ m.

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A freight train car has a mass of 2,000 kilograms and an acceleration of 1.8 m/s/s. ​What is the average force behind that train car?

Answers

Answer:

F = 3600 [N]

Explanation:

To solve this problem we must use Newton's second law, which tells us that the sum of force must be equal to the product of mass by acceleration.

ΣF = m*a

where:

F = force [N]

m = mass = 2000 [kg]

a = acceleration = 1.8 [m/s^2]

Now replacing:

F = 2000*1.8

F = 3600 [N]

A 30.0 g object fell from a height y = 2.94 m. It’s velocity when y is zero is approximately equal to (in m/s) (a) 0 (b) 19.6 (c) 29.4 (d) 8.64

Answers

Analysing the question:

We are given:

mass of object (m) = 0.03 kg

height of object (h) = 2.94 m

acceleration due to gravity (a) = 10 m/s²

initial velocity (u) = 0 m/s [the object fell, we are NOT given any initial velocity]

final velocity (v) = v m/s

Solving for Final velocity:

from the third equation of motion:

v² - u² = 2ah

replacing the variables

(v)² - (0)² = 2(10)(2.94)

v² = 58.8

v = 7.67 m/s

A man starts walking at a steady speed of 1 m/s and 6s later his son sets off from the same point in pursuit of him, starting at rest and accelerating at 2/3 m/s/s. How far do they go before they are together?

Answers

Answer:

The father will walk 6 more meters and the son will walk 12 meters

Explanation:

Uniform Speed and Acceleration

This is a problem where two objects have different types of motion. The father walks at a constant speed and later, his son starts a constant acceleration motion in pursuit of him.

Let's start with the father, whose speed is v=1 m/s during t=6 seconds. He travels a distance:

[tex]x=vt=1*6=6\ m[/tex]

Now the son, starting from rest (vo=0) accelerates at a=2/3 m/s^2. His speed will increase and eventually, he will catch up with his father. Let's suppose it happens at a time t1.

The distance traveled by the son is given by:

[tex]\displaystyle xs=v_o.t_1+\frac{a.t_1^2}{2}[/tex]

Since vo=0:

[tex]\displaystyle xs=\frac{a.t_1^2}{2}[/tex]

The father will continue with constant speed and travels a distance of:

[tex]xf=v.t_1[/tex]

For them to catch up, the distance of the son must be 6 m more than the distance of the father, because of the leading distance he has already taken. Thus:

[tex]xs=xf+6[/tex]

Substituting the equations of each man:

[tex]\displaystyle \frac{a.t_1^2}{2}=v.t_1+6[/tex]

We know a=2/3, v=1:

[tex]\displaystyle \frac{2}{3}\cdot\frac{t_1^2}{2}=t_1+6[/tex]

Simplifying:

[tex]\displaystyle \frac{t_1^2}{3}=t_1+6[/tex]

Multiply by 3:

[tex]t_1^2=3t_1+18[/tex]

Rearranging:

[tex]t_1^2-3t_1-18=0[/tex]

Factoring:

[tex](t_1-6)(t_1+3)=0[/tex]

Solving:

[tex]t_1=6 , t_1=-3[/tex]

Since time cannot be negative, the only valid solution is

[tex]t_1=6\ s[/tex]

The distance traveled by the son in 6 seconds is:

[tex]\displaystyle xs=\frac{2/3\cdot 6^2}{2}[/tex]

[tex]xs=12\ m[/tex]

Note the father will travel

[tex]xf=1*6=6\ m[/tex]

This 6 m plus the 6 m he was ahead of the son, make them meet while walking at 6 seconds.

Answer: The father will walk 6 more meters and the son will walk 12 meters

Phoebe wants to measure the volume of a small, irregularly
shaped rock. Which of the following instruments would be best
for Phoebe to use?

Answers

Answer:

A graduated cylinder

Explanation:

A planet similar to the Earth has a radius 7.4 × 106 m and has an acceleration of gravity of 10 m/s 2 on the planet’s surface. The planet rotates about its axis with a period of 25 h. Imagine that the rotational speed can be increased. If an object at the equator is to have zero apparent weight, what is the new period? Answer in units of h.

Part 2:
By what factor would the speed of the object be increased when the planet is rotating at the higher speed?

Answers

Answer:

1.5 hr

16.7

Explanation:

Zero apparent weight means there's no normal force.

Sum the forces in the centripetal direction.

∑F = ma

mg = mv²/r

v = √(gr)

v = √(7.4×10⁶ m × 10 m/s²)

v = 8602 m/s

The circumference of the equator is:

C = 2πr

C = 2π (7.4×10⁶ m)

C = 4.65×10⁷ m

So the period is:

T = C / v

T = (4.65×10⁷ m) / (8602 m/s)

T = 5405 s

T = 1.5 hr

The initial speed is:

v = C / T

v = (4.65×10⁷ m) / (25 h × 3600 s/h)

v = 517 m/s

The speed increases by a factor of:

8602 m/s / 517 m/s

16.7

The new period of the planet at the given radius is 1.5 h.

The speed of the planet increased by a factor of 16.7.

The given parameters;

radius of the Earth, R = 7.4 x 10⁶ macceleration due gravity, g = 10 m/s²period, T = 25 h

The speed of the planet at the given radius is calculated as follows;

[tex]mg = \frac{mv^2}{r} \\\\gr = v^2\\\\v= \sqrt{rg} \\\\v = \sqrt{7.4 \times 10^6 \times 10} \\\\v = 8602.3 \ m/s[/tex]

The new period of the planet is calculated as follows;

[tex]T = \frac{2\pi R}{v} \\\\T = \frac{2 \pi \times 7.4 \times 10^6}{8602.3} \\\\T =5,405.72 s \\\\T = \frac{5405.72}{3600} = 1.5 \ hr[/tex]

The initial speed of the planet is calculated as follows;

[tex]v_i = \frac{2\pi R}{T} \\\\v_i = \frac{2\pi \times 7.4\times 10^6}{25 \times 3600} \\\\v_i =516.68 \ m/s[/tex]

The increase in the speed of the planet is calculated as;

[tex]= \frac{v}{v_i} \\\\= \frac{8602.3}{516.68} \\\\= 16.7[/tex]

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What happens to the acceleration of a ball if the force increases while the mass remains the same?

Answers

Answer:

if the force increases while the mass of the ball remains the same, the acceleration increases.

Explanation:

According to Newton's second law of motion, the acceleration of an object produced by a net force is directly proportional to the magnitude of the net force Fn and inversely proportional to the mass of the object m.

[tex]\displaystyle a=\frac{Fn}{m}[/tex]

Suppose the net force doubles to 2Fn. The new acceleration will be:

[tex]\displaystyle a'=\frac{2Fn}{m}=2\frac{Fn}{m}=2a[/tex]

The acceleration doubles too. Thus, if the force increases while the mass of the ball remains the same, the acceleration increases.

How do waves transfer energy? Be detailed.

Answers

Answer:

Electromagnetic waves transfer energy through vibrations of electric and in magnetic fields. For sound waves the energy is transferred through the vibration of air particles or particles of a solid. Waves also carry energy, the amount of energy they carry depends on their frequency and their amplitude. The more energy and the higher frequency amplitude, the more energy waves are ^‿^

If you had a 30 pound barbell at home and you wanted to compare your muscular endurance to your younger brother's which method would be the best to use.

Answers

Answer:A

Explanation:

Absolute method

Answer:

absolute method

Explanation:

trust

My bill at Office Depot came to $92.35 before my teacher discount. Once the clerk applies
my 15% teacher discount, how much will I have to pay?
$106.20
$13.85
$78.50
$92.35

Answers

Answer: $78.50 or C.

Explanation:

$92.35 x 15% or .15 is $78.50

the answer is c 78.50

what’s the answer?? middle question

Answers

The new volume = 3 x 52.6 that’s because as the pressure decreases by 1/3 the volume increases x3

ILL GIVE BRAINLIEST AND 5 POINT STAR RATING!!!! Which cultural region of the United States has the most Native American influence today? 1.South 2.Northeast 3.Midwest 4.West

Answers

Answer:

The answer is 4, the west.

Answer:

The west

Explanation:

hopes this helps you and your questions

A wind tunnel draws atmospheric air at 20°C and 101.3 kPa by a large fan located near the exit of the tunnel. If the air velocity in the tunnel is 80 m/s, determine the pressure in the tunnel.

Answers

Answer:

The pressure in the tunnel is 97.45 kPa

Explanation:

Given;

atmospheric pressure, P₁ = 101.3 kPa

air velocity in the tunnel, v₂ = 80 m/s

density of air at 20°C, ρ = 1.204 kg/m³

pressure in the tunnel, P₂ = ?

Apply Bernoulli's equation;

P₁ + ¹/₂ρv₁² + ρgz₁ = P₂ + ¹/₂ρv₂² + ρgz₂

v₁ = 0

z₁ = z₂ = 0

P₁ = P₂ + ¹/₂ρv₂²

P₂ = P₁ - ¹/₂ρv₂²

P₂ = 101.3 kPa - (0.5 x 1.204 x 80²)

P₂ = 101.3 kPa - 3.8528 kPa

P₂ = 97.45 kPa

Therefore, the pressure in the tunnel is 97.45 kPa

Which of the following is the primary force that shapes the Earth's landscape?

Answers

Running water...........

I really need help on this.

Answers

Earth's rotation is crucial to understanding the Coriolis effect. The Equator is where Earth rotates more quickly than the poles. There at Equator, Earth is larger.

Equatorial areas therefore move at a speed of around 1,600 km/h (1,000 mph) in a 24-hour period to complete a revolution. Earth rotates slowly towards to the poles, at 0.00008 km/h (0.00005 mi/h).

Low-pressure systems called cyclones draw air towards their "eye" or central region. Fluids representing high-pressure systems in the Northern Hemisphere pass low-pressure regions to the right.

Air masses are deflected when they're drawn inside cyclones from across all sides, giving the appearance that a hurricane is rotating clockwise. Trade winds refer to these air masses' recurrent circulation patterns.

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A body starts with a velocity of 20 m/s, accelerates uniformly for a time t, moves with constant velocity for the same time, and finally decelerates to rest, again taking a time t. Given that the final deceleration is three times the original acceleration, and the total distance travelled is 140 m, find t.

Answers

Answer:

t=0.14s

Explanation:

t=[tex] \frac{s}{v} [/tex]t=[tex] \frac{20}{140} [/tex]Where s= speedV=distance And t=time

A 1-kilogram object is thrown horizontally and a 2-kilogram object is dropped vertically at
the same instant and from the same point above the ground. Which of the following will
be the same for both objects at any given instant?

Answers

Their vertical position will be the same for both at any instant. They will both hit the ground at the same time.

Acceleration is the change in the velocity of the object with time. Acceleration is the same for both objects so both objects will reach the ground at the same time.

How do you find out the common value for both objects?

Given that both the object dropped at the same time. So the gravitational acceleration of both the objects will be the same which is nearly 10 m/s.

The force at object 1 is given below.

[tex]F_1 = m_1\times g = m_1\times a_1[/tex]

Where m1 is the mass of object 1 and a1 is the acceleration of object 1.

[tex]F _1 = 1\times 10 = 10 \;\rm N[/tex]

The acceleration of object 1 is calculated as below.

[tex]a_1 = \dfrac{F_1}{m_1}[/tex]

[tex]a_1=\dfrac{10}{1} = 10 \;\rm m/s^2[/tex]

The force at object 2 is given below.

[tex]F_2 = m_2\times g = m_2\times a_2[/tex]

Where m2 is the mass of object 2 and a2 is the acceleration of object 2.

[tex]F_2 = 2\times 10 =20 \;\rm N[/tex]

The acceleration of object 2 is calculated as below.

[tex]a_2 = \dfrac{F_2}{m_2}[/tex]

[tex]a_2=\dfrac{20}{2} = 10 \;\rm m/s^2[/tex]

Hence we can conclude that the acceleration of both the objects is the same at every point so they will reach the ground at the same time.

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