Answer:
<h2>Part a)</h2><h2>Momentum transferred by the ball</h2><h2>
</h2><h2>Part b)</h2><h2>Change in the velocity of the ball is</h2><h2>
</h2>
Explanation:
Velocity of the stone just before it will strike the Earth is given as
so we will have
Now by momentum conservation
Part a)
Momentum transferred by the stone is given as
Part b)
Change in velocity of Earth
I listen to bring the madness it relaxes me a lot and also knock knock knock FBI open up
Answer:
Frictional force always acts parallel to two planes in contact with each other and in a direction opposite to that of relative motion of the two bodies. 2. Frictional forces are caused due to intermolecular interactions between the bodies. Frictional force is more for rough surface and less for smooth surfaces.
<u>Force</u>, it can speed up or slow down an object which can change the direction in which an object is moving.
Answer:
#4 Electrical energy to thermal energy
Explanation:
You clue there is constant speed, this means that the lift is not accelerating. So if that is the case, the lift is experiencing a resistive force against gravity. The one doing exerting the resistive force is the motor, which runs on electrical energy. Resistive force transforms into heat, so that makes it thermal energy. And so, the answer would be the last case.