Question

Use
6 Fig. 6.1 shows a builder renovating a wall.
7
For
Examiner's
Use
2.5 kg
block
3.0 m
Fig.6.1
(a) (i) A block of mass 2.5 kg accidentally dropped from a height of 3.0 m.
State the form of energy the initial gravitational potential energy is
converted into as the block falls.
You may assume that frictional forces are negligible.
[
1]
(ii) Into what form is this energy converted when the block hits the ground?
Saund enero...
[1]​

Answer 1

Answer:

Examiner's

Use

2.5 kg

block

3.0 m

Fig.6.1

(a) (i) A block of mass 2.5 kg accidentally dropped from a height of 3.0 m.

State the form of energy the initial gravitational potential energy is

converted into as the block falls.

You may assume that frictional forces are negligible.

[

1]

(ii) Into what form is this energy converted when the block hits the ground?

Saund

Answer 2

Answer:

The change in gravitational potential energy, ΔPEg, is ΔPEg = mgh, with h being the increase in height and g the acceleration due to gravity. The gravitational potential energy of an object near Earth's surface is due to its position in the mass-Earth system.