What is the velocity of a freely falling object 10 seconds after it is released from rest?

Answers

Answer 1

Answer:

around 98 meters per second.

Explanation:

Instantaneous velocity can be found with a equation.

Vf=Vi+At

Since it fell and had no initial velocity the equation becomes

Vf=At

The Acceleration is 9.8 m/s^2

So the velocity of it fell for ten seconds is

Vf=9.8m/s^2 * 10

Vf= 98 m/s


Related Questions

1 hr 16 minutes equal how many minutes ?​

Answers

Answer:

76 minutes.

Explanation:

There are 60 minutes in an hour + 16 minutes= 76 minutes.

A 6.46 kg object moving with a velocity of 5.23 m/s is struck from behind by a moving 11.77 kg object. They stick together, moving off with a mutual velocity of 17.93 m/s. What was the original velocity of the 11.77 kg object before the collision?

Answers

Answer:

its z trust me

Explanation:

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A boat moving at a constant speed travels 15 meters in 8 seconds. How far does it travel
in 40 seconds?
O 75 meters
53 meters
335 meters
480 meters​

Answers

The answer is 75 meters

Define time interval in your own words.

Answers

Answer:

An interval is a distinct measure of time or the physical or temporal distance between two things.

Explanation:

what is the property of medium

Answers

Answer:tension, density, temperature and elasticity

Explanation:

A goose is flying due south at 20 km/hr, the goose is flying into a 15 km/hr due north wind. What is the gooses resultant velocity?

Answers

Answer:

5 km/hr due south

Explanation:

We need to subtract the two velocities due to the fact that they are in opposite directions (one due south and the other one due north). Then, for an observer located on earth, the goose will be flying at :

20 km/hr - 15 km/hr = 5 km/hr

5 health benefits of physical activity

Answers

Answer:

reduce your risk of a heart attack.

manage your weight better.

have a lower blood cholesterol level.

lower the risk of type 2 diabetes and some cancers.

have lower blood pressure.

have stronger bones, muscles and joints and lower risk of developing osteoporosis.

Which of the following is a vector quantity?
A. 30 miles
B. 30 mph northwest
C. 55 m/s
D. 20 mph

Answers

Answer:

B) 30 mph northwest

Explanation: Vector quantities have both direction and magnitude. In this case the direction is northwest, and magnitude is 30 mph.

The following is a vector quantity, 30 mph northwest. Option B is correct.

What is a vector quantity?

A vector quantity is a physical quantity that has both magnitude and direction. Examples of vector quantities include displacement, velocity, acceleration, force, and momentum.

In contrast, a scalar quantity is a physical quantity that has only magnitude and no direction associated with it. Examples of scalar quantities include speed, distance, mass, temperature, and time.

Here,
A vector quantity is a physical quantity that has both magnitude and direction. In this case, the magnitude is 30 mph and the direction is northwest, which makes it a vector quantity.

Option A is a scalar quantity because it only has a magnitude, but no direction associated with it. Option C is also a vector quantity because it has both magnitude and direction, but it is not given a direction in the question. Option D is a scalar quantity because it only has a magnitude.

Thus, the following is a vector quantity, 30 mph northwest. Option B is correct.

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CAN SOMEONE PLZ HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

what is the winning game for badminton??? at least 5 sentence

Answers

Answer:

please give me more stars

Explanation:To win a game, a player must reach 21 points. However, if the game is tied at 20-20 (or 20-all) then you are required to win by two clear points. Unlike most sports, however, if the score becomes 29-29 (or 29-all), the player or team to score the 30th point will win the game.

hELP URGENT PLEASEE!!!

Answers

Answer:

1. Solid, liquid, gas, plasma

3. latent heat of vaporization

4. melting

6. heat

7. amount of heat transferred when 1g of a substance melts or freezes

Answer:

1. Solid, liquid, gas, plasma

2.  In a solid and liquid, the particles are close together. In a solid, the particles are packed close together and are held in a fixed position. ... In liquids, particles are usually almost as close to each other as in solids.

3. latent heat of vaporization

4. melting

5. As the temperature falls, the particles slow down. If a liquid is cooled sufficiently, it forms a solid.

6. heat

7. amount of heat transferred when 1g of a substance melts or freezes

Explanation:

Textbook online

If an object weighs 20 N and is sitting on the floor without moving, what must be the normal force of the floor acting on the box?
20 N up
20 N down
10 N up
10 N down

Answers

Answer:

20 N up

Explanation:

Since the object on the floor is sitting still. Based on Newton's law of force. Objects must have equal reaction and force against each other for still objects. So the answer is 20 N up. Since the force are equal on both sides making the object not moving.

you walk at a speed of 1.5 m/s and it takes you 1800 seconds to get to your friends house. if you follow the same route, how fast would you need to travel to get there un 600 seconds​

Answers

Answer:

4 miles per hour

Explanation:

Your welcome

please helpp meee write the analysis and then answer the next pic

Answers

25.) 5m
26.) during the second 5 seconds the object does not travel any distance
27.) the object travels 10 more meters reaching the 15m mark
28.) during the fourth 5 seconds the object does not travel any distance
29.) 15 meters backwards

Which is an example of static friction?

a. pulling a skier behind a boat

b. pushing a box that is at rest

c. braking a car going down a hill

d. driving a car up a hill

Answers

Answer:

static friction is developed between 2 surfaces in state of rest so i think answer is c.Even though the wheel is in motion, the patch of the tire in contact with the ground is stationary relative to the ground, so it is static rather than kinetic friction.

The static friction is the hindrance to an object which is trying to move from stationary state. Among the given options, the example for static friction is pushing the box that is at rest.

What is static friction?

The friction that occurs when people attempt to move a stationary object on a surface without actually causing any relative motion between the body and the surface.

The static frictional force is self-regulating, which means that it will always be equivalent to and opposite to the force applied. Static friction is zero for an object at rest on a flat table.

Static friction creates an equal and opposite force that keeps the book at rest when you push horizontally with a small force.The static friction force increases to match the force as you push harder.

The maximum static friction force is eventually exceeded, and the book moves. Therefore, option B is correct.

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The geometry of a hydrogen-bromide molecule is ____.

Answers

Answer:

polar-molecule

Explanation:

If nitrogen, which has an electronegativity of 2.0, bonda with hydrogen, which has an electronegativity of 2.1, the bond between the two atoms will be classified as a(n) _________ covalent bond.

Answers

Answer: it’s Nonpolar

Explanation:

Atoms with small differences in their electronegativities are said to form nonpolar covalent bonds.

Answer:

caden

Explanation:

A frog falls from its rainforest tree. If we ignore wind resistance, (a) how much time does it take the frog to fall a distance of 12.0 m? (b) how fast is the frog falling at this point?

Answers

Answer:

Explanation:

a) Using the equation of motion

S = ut + 1/2gt²

S is the distance of fall

g is the acceleration due to gravity

t is the time taken

Given S = 12.0m, g = 9.81m/s^2, un= 0m/s

12 = 0+1/2(9.81)t²

12 = 4.905t²²²

t² = 12/4.905

t² = 2.446

t = √2.446

t = 1.56secs

b) To determine how fast is the frog falling at this point, we need to calculate the speed of the frog. Using the equaton v = u+gt

v = 0+9.81(1.56)

v = 15.34m/s

Hence the frog is falling at the rate of 15.34m/s

PLEASE HELP!!!
What is the sum of all forces that act upon an object called?

a
Net force

b
Balanced force

c
Unbalanced force

d
Gravitational force

Answers

Answer:

net force

Explanation:

The net force is the vector sum of all the forces that act upon an object. That is to say, the net force is the sum of all the forces, taking into account the fact that a force is a vector and two forces of equal magnitude and opposite direction will cancel each other out.

Answer:

a

Explanation:

A 2 kg object is moving at a constant velocity of 15 m/s. What is its acceleration?

Answers

Answer:

The acceleration of the object is 0 m/s^2.

Explanation:

To solve this problem, we must remember that acceleration is equal to the change in velocity per unit time.  Since we are given that the velocity is constant, this means it is unchanging, and the acceleration is therefore zero.

Hope this helps!

How long does it take sound to travel 3525 meters (speed of sound is 330 m/s)?

Answers

It takes 11.75 seconds for sound to travel 3525 meters

3525 / 330 = amount of seconds

Amount if seconds = 11.75
Hope this helped :)

Mountains can ONLY be formed by continental crust colliding?
True
False

Answers

Answer

:Fold mountains are often associated with continental crust. They are created at convergent plate boundaries, sometimes called continental collision zones or compression zones. Convergent plate boundaries are sites of collisions, where tectonic plates crash into each other.

Which of the following describes the rate at which work is done?
Force
Energy
Power
Impulse

Answers

Answer:

power

Explanation:

google

Todd and Angela set up a ramp and released several cars from the top. If Todd and Angela want to determine the average speed of their cars down the ramp, what information do they need? Group of answer choices

Answers

Answer:

The ramps length, height, degree, and the weight of the car.

Explanation:

Answer:

I think they need the slope of the ram(degree) .

& current gravitational acceleration

& the length of the ram and also l don't think mass of the cars are not needed becoz the acceleration of the cars are given by its,

Gravitational acceleration * sin( slope).

So then use that in v^2=u^2+2as equation.

s for length

a for acceleration

v for end velocity

u for start velocity

What phase of the moon would this be?
1st quarter, waxing half moon

3rd quarter, waning half moon

waxing gibbous

waning gibbous

Answers

Answer:

First Quarter

Explanation:

a cheerleader throws herself into the air with a velocity of 12 m/s at an angle of 75 degrees above the horizontal. what are the x- and y components of her velocity (show work)

Answers

Answer:

Vx = 3.10 [m/s]

Vy = 11.59 [m/s]

Explanation:

To solve this problem we must decompose the velocity vector by means of the angle on the horizontal.

v = 12 [m/s]

Vx = 12*cos (75) = 3.10 [m/s]

Vy = 12*sin (75) = 11.59 [m/s]

what we call the state in a human body if cerebrum is not functioning well​

Answers

Depending on the area and side of the cerebrum affected, any, or all, of these functions may be impaired: Movement and sensation; speech and language; eating and swallowing.

If your awesome, click here and be the first, to be the brainest

Answers

Answer:

im awesomeee

Explanation:

.

Answer:

Doubt I'll be first but imma try

Explanation:

In an aqueous solution where the H+ concentration is 1 x 10-6 M, the OH concentration must be:

A. 14 x 10-6 M

B. 1 x 10-6 M

C. 1 x 10-7 M

D. 1x 10-8 M

E. 14 x 10-8 M

Answers

Answer:

D. 1×10⁻⁸ M

Explanation:

[H⁺] [OH⁻] = 10⁻¹⁴

(1×10⁻⁶) [OH⁻] = 10⁻¹⁴

[OH⁻] = 1×10⁻⁸

The concentration of hydroxyl ion will be  [tex]10^{-8}[/tex]M.

What is concentration?

The amount of a chemical substance in a mixture is expressed by the substance's concentration.

Calculation of concentration.

Given data:

Concentration of H+ =  1 x [tex]10^{-6}[/tex] M.

It is known that,

[[tex]H^{+}[/tex]][[tex]OH^{-}[/tex]] = [tex]10^{-14}[/tex]M

Now, put the value of concentration of [[tex]H^{+}[/tex]] in above equation.

[1× [tex]10^{-6}[/tex]][[tex]OH^{-}[/tex]] =  [tex]10^{-14}[/tex]M

[[tex]OH^{-}[/tex]]  =   [tex]10^{-14}[/tex] / [1× [tex]10^{-6}[/tex]]M

[[tex]OH^{-}[/tex]]  = [tex]10^{-8}[/tex]M

Therefore, the concentration of hydroxyl ion will be  [tex]10^{-8}[/tex]M.

Hence, the correct answer will be an option (D).

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Please help it’s physics and I suck at this subject :(

Answers

Increase in velocity and decrease in velocity are the answers

Because acceleration is just the change if it starts moving

If I have 10 m 20 N how much work do I have

Answers

Answer:

200 joule

Explanation:

force= 20N

distance=10m

work= ?

we know,

work= force×distance

=20N×10m

=200Nm or joule.

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