science

Grade6

Easy

Question

# Find the height of the particle if the body has a potential energy of 20J and a mass of 5 kg.

- 0.5 m
- 0.6 m
- 0.4 m
- 0.3 m

Hint:

### Potential energy= mass x gravitational acceleration x height.

## The correct answer is: 0.4 m

### Given,

Potential energy of a body = 20 J

mass of the body = 5 kg

According to the formula,

Potential energy= mass x gravitational acceleration x height.

height = ( gravitational acceleration = 9.8m/s^{2})

height =

height= 0.4 m

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