Question

(Question from activity 11.15 chapter work and energy class 9)

An object of mass20 kg is dropped from a height of 4 m. Fill in the blanks in the following table by computing the potential energy and kinetic energy in each case.
For simplifying the calculations, take the value of g as 10 m/s².

Height at
which object
is located
4m
3m
2m
1m
Just above the ground

Potential energy (Ep=mgh)
.....
.....
.....
.....
.....


Kinetic energy (Ek= mv²/2)
.....
.....
.....
.....
.....


Ep +Ek
.....
.....
.....
.....
.....​

Answer 1

Answer:

(Question from activity 11.15 chapter work and energy class 9)

An object of mass20 kg is dropped from a height of 4 m. Fill in the blanks in the following table by computing the potential energy and kinetic energy in each case.

For simplifying the calculations, take the value of g as 10 m/s².

Height at

which object

is located

4m

3m

2m

1m

Just above the ground

Potential energy (Ep=mgh)

.....

.....

.....

.....

.....

Kinetic energy (Ek= mv²/2)

.....

.....

.....

.....

.....

Ep +Ek

.....

.....

.....

.....

.....

Answer 2

Explanation:

ans is in the picture