Question

a
mass if 48.0 kg is dropped from a height of 29.0 m. what is the
kinetic and potential energy when it is

a) dropped

b) half way to the ground

c) about to strike the ground

Answer #1

A 4.0 kg mass starting at rest is dropped from a height of 120 m
above the surface of the Earth. As it falls it experiences an air
resistance of 13 N. Just before it strikes the ground, determine
the change in potential energy ΔU, the work done by the air W, the
final kinetic energy Kf, and its final speed vf

A 4.0 kg mass starting at rest is dropped from a height of 120 m
above the surface of the Earth. As it falls it
experiences an air resistance of 13 N. Just before it
strikes the ground, determine the change in potential energy ΔU,
the work done by the air W, the final kinetic energy Kf,
and its final speed vf.

If a object of mass m
is dropped from rest from a height h in free fall motion, what is the
kinetic energy when it is a height h/4 above the ground?

The ball has a mass 1kg resting at a height 10m from ground find
its potential energy, kinetic energy and velocity of ball? (b) Find
potential energy, kinetic energy and velocity of ball when it is
half the way to reach ground?

The ball has a mass 1kg resting at a height 10m from ground find
its potential energy, kinetic energy and velocity of ball? (b) Find
potential energy, kinetic energy and velocity of ball when it is
half the way to reach ground?

this question by someone by earlier.
consider a .62 kg
basetball that is dropped from a height of 1 metee avove the
floor:
1.What form or forms
of energy does the ball have before it is dropped, if an orgin is
set on the ground? Be explicit and give a value for any energy and
what form or forms of energy does the ball have right before it
makes impact with the ground?
This is the results:
When the ball...

A ball of mass 0.4 kg is lifted up to a height of 10 m. what is
the ball's potential energy at this point? if the ball is dropped
from the rest at this height, what is the ball's speed just before
it hits the ground. if the force of air resistance is 0.1 N, what
is the ball's speed just before it hits the ground?

A stone 0.44 kg mass is released from rest from a height of 29.4
m above the ground. Ignoring air resistance and letting the ground
be the zero potential energy level,
Determine the final kinetic energy of the stone using energy
conservation principle only, not as a free fall.
Determine the work done on the stone by gravity.

Sam dropped a ball from a height of 200 cm. Find out (a) how
long it will take to hit the ground and (b) what would be its
velocity when it hits the ground? (c) If mass of the ball is 500 g,
what would be its kinetic energy when it hits the ground? (d) What
would be its potential energy before its fall?
Please explain procedure

A 1-kg ball is released from a height of 6 m, and a 2-kg ball is
released from a height of 3 m. Air resistance is negligible as they
fall. Which of the following statements about these balls are
correct? (There could be more than one correct choice.)
Both balls will reach the ground with the same speed.
As they reach the ground, the 1-kg ball will have more kinetic
energy than the 2-kg ball because it was dropped from...

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