science
Grade6
Easy
Question
Find the height of the particle if the body has a potential energy of 8 J and a mass of 1 kg.
- 0.8 m
- 0.9 m
- 0.3 m
- 0.5 m
Hint:
Potential energy= mass x gravitational acceleration x height.
The correct answer is: 0.8 m
Given,
Potential energy of the object = 8 J
mass of the object is falling = 1 kg
According to the formula,
Potential energy= mass x gravitational acceleration x height.
height =
( gravitational acceleration = 9.8m/s2)
height = ![fraction numerator 8 over denominator 9.8 cross times 1 end fraction](data:image/png;base64,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)
height = 0.8 m
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