Name 2 types of electric circuits based on their connection pattern​

Answer:

C.

Explanation:

""""""" Twice,Half """"""

A big wheel with twice the circumference of a small wheel will rotate with the force and the speed of the small wheel.

C) twice, half

A big wheel with twice the circumference of a small wheel will rotate with twice the force and half the speed of the small wheel.

It is the round circle found on the outside angle of the machine.

It is the adjusted barrel or rod-like portion put on the interior of the machine that's connected to the wheel and makes a difference to advance development.

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Answer:

Explanation:

Because violet waves have the shortest wavelength of the visible light spectrum, they carry the most energy.

Answer:

Displacement = 5 meters North

Distance = 15 meters

Explanation

If he walks 10 meters North than his displacement would be 10 meters North. But since he walked 5 meters South it changes his displacement to 5 meters North because that is how far he is away from his starting point.

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Answer:

80 mph

Explanation:

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Answer:

178.955mph or 179mph

Explanation:

✨calculator✨

Answer:

81 miles per hour

Explanation:

To get the answer, you should multiply 27 by 3, you should multiply distance by time to get the speed.

Answer:

9 m/s²

Explanation:

´Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). Acceleration is also a vector quantity, so it includes both magnitude and direction.´

Answer:

Direct relation

Explanation:

When an object of mass m is moving with some velocity v, it will have kinetic energy. It is possessed by an object whenever an object is in motion. It can be given by the below formula.

[tex]E_k=\dfrac{1}{2}mv^2[/tex]

It is very clear that the kinetic energy of an object is directly proportional to its mass. When the mass increases, its kinetic energy increases directly.

Answer:

8.33

Explanation:

av= distance travelled /time taken

Answer:

The answer is D. You're Welcome !

Answer:

the 70kg man

Explanation:

because he has more weight and is moving faster

Because the mass is constant, if the velocity is increased, the kinetic energy must also increase.

Answer:

The horizontal range is maximum when θ is equal to 45°

Explanation:

Projectile Motion

It's known as the type of motion that experiences an object that is projected near the Earth's surface and moves along a curved path exclusively under the action of gravity.

Being vo the initial speed of the object, θ the initial launch angle, and [tex]g=9.8\ m/s^2[/tex] the acceleration of gravity, then the maximum horizontal distance traveled by the object (also called Range) is:

[tex]\displaystyle d={\frac {v_o^{2}\sin(2\theta )}{g}}[/tex]

Since the sine of an angle is bounded between -1 and 1, the maximum range will occur when the sine is 1:

[tex]\sin(2\theta)=1[/tex]

The only angle between 0° and 360° whose sine is 1 is 90°, thus:

[tex]2\theta=90^\circ[/tex]

Solving:

[tex]\theta=45^\circ[/tex]

The horizontal range is maximum when θ is equal to 45°

The horizontal range is maximum for the value of angle equivalent to [tex]45^{\circ}[/tex].

Given data:

The player kicks the ball with an angle [tex]\theta[/tex] with the horizontal.

The given problem is based on the concept and fundamentals of projectile motion. In a projectile motion, the horizontal range is the horizontal distance covered by an object during its trajectory.

The mathematical expression for the horizontal range is given as,

[tex]R = \dfrac{u^{2}sin2 \theta}{g}[/tex]

Here,

R is the horizontal range.

u is the initial speed.

And g is the gravitational acceleration.

Clearly, if we need maximum horizontal range, then we need to have the maximum value of sine. So if,

[tex]\theta =45^{\circ}[/tex]

[tex]sin2 \theta=sin90[/tex] = 1

So the maximum range is,

[tex]R = \dfrac{u^{2}sin(2 \times 45^{\circ})}{g}\\\\R = \dfrac{u^{2} \times sin 90^{\circ}}{g}\\\\R = \dfrac{u^{2}}{g}[/tex]

Thus, we can conclude that the horizontal range is maximum for the value of angle equivalent to [tex]45^{\circ}[/tex].

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Answer:

a) 2.5s

b)24.2m/s

Explanation:

a) s = ut +1/2gt^2

Where u=0

Make t the subject and solve

b) v^2=u^2+2gs

Where u =0

Make v the subject and solve

Answer:

Women's national  basketball association

Explanation:

Answer: womens national basketball association

Explanation: my dream

Answer:

Where speed limit of speed camera is 50 km/h.

Explanation:

Speed cameras work on the principal that photos reflected from the moving car have a higher or lower frequency. This is the Doppler principal. In a  car traveling at the speed of light, the waves/particles will not be able to catch up with that car thus no photon will reflect back to the receiver/speed camera thus no speed will be record. Such a speed is impossible to achieve due to the amount of infinite energy expenditure required. This means if the speed is higher and approaching that of light, the frequency of reflected photons will be very high causing high amounts of energy that could damage the speed camera and cause detection. When the car travels at a higher speed, the photos frequency is high thus more energy they will carry and high chances of the vehicle being detected. This means the time interval of photos taken will be smaller.

Explanation:

longitudinal wave .

they are composed of rarefaction and compression

there is change of pressure variations through medium

there is change in density throughout the medium

they can be propagated in liquid soild and gasses

example sound wave

transverse wave

they are composed of troughs and Crest

there is no pressure variations throughout the medium

there is no change in density

they can propagated in liquid soild but not gases

example light wave

Explanation:

electricity created at peak........

Answer:

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Answer:

Explanation:

Sound needs a material medium for their propagation like solid, liquid or gas to travel because the molecules of solid, liquid and gases carry sound waves from one point to another. Sound cannot progress through the vacuum because the vacuum has no molecules which can vibrate and carry the sound waves.

Frequency= no. of oscillations/time=40/60sec

4/6=0.66

Answer:

Electronegative atom will create a stronger negative charge is true.

Explanation:

Given that,

Electronegativity affects the strength of intermolecular forces.

We know that,

Electronegativity :

Electronegativity is a ability of an atom, shared electron to itself.

In periodic table,

When we move left to right in period then the electronegativity increases.

When we move up to down in a group then the electronegativity decreases.

We know that,

The intermolecular forces are dipole-dipole interactions which is the strongest intermolecular force of attraction.

If the electronegativity of atom is more, then the atom gain negative charge.

When the attraction force is more in atoms then the electronegative will be more.

Hence, Electronegative atom will create a stronger negative charge is true.

Answer:

800 meters

Explanation:

4 x 200 is 800 meters.

Answer:

ball moves forward

direction of moving car is reversed

plane changes the direction

The force on the ball acting to the right may changes its falling to the net. The north-east force acting on the airplane can drag the plane to the eastward direction thus deviates the plane from north. The backward force acting on the car make it hindrance to its forward movement.

Force is an external agent acts on a body, to deform it or change its state from motion or rest. There are different type of forces such as magnetic forces, gravitational force.

Force accelerates a body to move where, as the mass increases, more force have to apply to accelerate the body. If two forces acting in opposite direction, the will cancel each other in magnitude.

The force acting on the ball makes it prevents from falling and the force acting on the plane can deviates its direction from north to eastwards. The backward force acting on the car decelerates the car from forward movement.

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Answer:

I think the answer is C

Explanation:

EDGE 2020

Computer-enhanced x-rays is called as  Computed Tomography (CT) scans. Hence option C is Correct.

Computed tomography scan is a medical imaging technique used to get images of our body  which is under study.  Radiographers or radiology technologists are skilled to handle this machine. It is also know as  computed axial tomography scan  (CAT scan). it is used to get internal images of the body. It uses rotating X-ray tube and a detector.

CT scans are more detailed than standard X-rays. In standard X-rays, a beam of X-ray is triggered at the body, the beam passes through the body and it gets imposed on the photographic plate which is behind the body. Variation in intensity on the photographic film shows the internal structure of the body. it can not give information about internal organs and other structures.

CT scan combines  X-ray images taken at different angles around your body and uses computer for processing to create images (slices) of the bones, and blood vessels. CT scan images gives more-detailed information than X-ray.

Hence option C is correct.

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Answer:

(B) tightly packed protons and neutrons

Explanation:

Thus, correct answer is

(B) tightly packed protons and neutrons

The nucleus of most atoms is composed of tightly packed protons and neutrons

The nucleus of an atom possess the following properties:

Therefore, the nucleus is compose of tightly packed protons and neutrons

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Answer:

100n

Explanation:

Answer:

-100N

I hope this helps!

Answer:

The mass, size, and shape of the object are not a factor in describing the motion of the object. So all objects, regardless of size or shape or weight, free fall with the same acceleration. In a vacuum, a beach ball falls at the same rate as an airliner.

Explanation:

ALL objects (regardless of their mass) free fall with the same acceleration - 9.8 m/s/s. This particular acceleration value is so important in physics that it has its own peculiar name - the acceleration of gravity

Answer:

Li has less mass and therefore less inertia, so he can change his motion more easily than Raj.

Explanation:

Answer:

Li has less mass and therefore less inertia, so he can change his motion more easily than Raj.

Explanation:

Answer:

Steps to determine the specific heat capacity.

1. Place a beaker on a balance and press zero.

2. Now add the oil to the beaker and record the mass of the oil.

3. Read the starting temperature of the oil.

4. Connect a joulemeter to the immersion heater.

5. Time for thirty minutes.

6. Read the number of joules of energy that passed into the immersion heater.

7. Read the final temperature of the oil.

8. Use the following formula to calculate the specific heat capacity.

Explanation:

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Answer:

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

[tex]volume = \frac{mass}{density} \\[/tex]

From the question

mass = 14 g

density = 7 g/mL

So we have

[tex]volume = \frac{14}{7} \\ [/tex]

We have the final answer as

Hope this helps you