science

Grade6

Easy

Question

# Find the mass of the body if it has a potential energy of 1 J and a height 0.5 m.

- 1 kg
- 0.2 kg
- 0.5 kg
- 0.3 kg

Hint:

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

## The correct answer is: 0.2 kg

### Given,

Potential energy of the object = 1 J

Height of the object is falling = 0.5 m

According to the formula,

Potential energy= mass x gravitational acceleration x height.

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

mass =

mass = 0.2 kg

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