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2 years ago

Moons gravity and its comparison with earths gravity

2 answers:

8 0

The acceleration of gravity on the moon's surface is 1.62 meters per second² .

That's 16.5% of its value on the Earth's surface.

kumpel [21]2 years ago

6 0

THE MOONS GRAVITY IS 1/6 OF THE EARTH'S GRAVITY THAT IS MOON'S GRAVITYIS VERY LESS THAN THAT OF EARTH.

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A 2 kg soccer ball is traveling 28.62m/s when it hits the wall and bounces off of the wall with a velocity of 20 m/s. If the wal

Lesechka [4]

Answer:

0.149 s or 0.15 s

Explanation:

let initially ball is moving towards left hence initial velocity = - 28.62 m/s

final velocity as ball moves right = +20 m/s

force = rate of change in momentum

force = mass × change in velocity / time

or time = mass × change in velocity / force

time = 2× ( 20 -( -28.62)) / 652.36

time = 2× ( 20 +28.62)) / 652.36

time = 2× 48 .62/652.36

time = 0.149 s or 0.15 s

5 0

3 years ago

A car’s velocity changes from 35 m/s to stopped in 13 seconds. Calculate<br> acceleration.

padilas [110]

Answer:

Acceleration = 3m/s^2

Vf= 0 Vi =35m/s t= 13s

Explanation:

$Acceleration = \frac{Change in velocity}{Change in time}\\ = \frac{35m/s}{13s}\\ a = 2.69m/s^2\\ a = 2.7m/s^2\\ a = 3m/s^2$

5 0

2 years ago

What is the kinetic energy of a hammer that starts from rest and decreases its potential energy by 10 kJ?

erma4kov [3.2K]

Answer:

final kinetic energy of the hammer is 10 kJ

Explanation:

As we know that there is no non conservative force on the system

So here we can use the theory of mechanical energy conservation

So we will have

$\Delta K + \Delta U = 0$

here we know that

$\Delta U = - 10 kJ$

from above expression now

$K_f - K_i - 10 kJ = 0$

$K_f - 0 = 10 kJ$

so final kinetic energy of the hammer is 10 kJ

3 0

3 years ago

A water molecule consists of an oxygen atom with two hydrogen atoms bound to it. The angle between the two bonds is 106◦ . If ea

balu736 [363]

Answer:

easy 16

Explanation:

because i love jesus

3 0

3 years ago

What happens after u thruster is fired to push a spacecraft

erica [24]

I dont known you do it

5 0

3 years ago