Question

a stone of mass 500g is raised from the mass height of 2m for 4 m find the change in its potential energy​

Answer 1

mgh is the potential energy at height 4m=
0.5×10×4=20J
MGH is the potential energy at height 2m=
0.5×10×2=10J
change in potential energy=20–10=10J

Answer 2

Answer:

• 10 J.

Explanation:

We have,

• Mass (m) = 500 g
• Height (h1) = 2 m
• Height (h2) = 4 m

To find,

• Chane in potential energy.

Solution,

Mass (m):

• 500/1000 Kg
• 0.5 Kg

___________________

Potential energy at (h1):

=> mgh1

=> (0.5)(10)(2)

=> 10 J

____________________

Potential energy at (h2):

=> mgh2

=> (0.5)(10)(4)

=> 20 J

_____________________

Chane in potential energy:

> Potential energy at (h2) - Potential energy at (h1)

=> 20 J - 10 J

∴ 10 J is the change in its potential energy.