Physics

Grade-7

Easy

Question

# Calculate the missing term. Consider the value of g as 10 m/s^{2}

m =?, h = 26 m, GPE = 2000 J (Take g = 10 m/s^{2})

- 77Kg
- 520 Kg
- 52Kg
- 7.7Kg

Hint:

### When the h is 26 m and the GPE is 2000 J in 10 m/s^{2} gravity, the m is 7.7 Kg.

## The correct answer is: 7.7Kg

- The gravitational potential energy GPE =mgh.
- The given GPE is 2000J and h is 26 m
- 2000 = m 26 10

m =

= 7.7 Kg

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