An object has potential energy 98 J when held at a height of 2 m from the ground. Calculate the mass of the object
please also include formaula with ans
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Potential energy at height h is given by mgh
m=Mass of object in kg
g= acceleration due to gravity (10m/s^2)
h=height of the object in m
Potential energy is 98J
PE = mgh
m= PE/gh
= 98/10×2 = 4.9 g = 0.0049kg
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