A 5kg mass falls through 400 cm. The work done on it by the earth’s gravitational force is
snehapess:
Thanks for marking me.
But just for ur info, it is better if u take the value of g as 9.8
If the value is alread given, use it.
already*
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Let the value of acceleration due to gravity be 10m/s^2(g)
Potential energy = mgh
= 5×10×4(in metres)
= 200J
Thanks for trying but maybe its not correct
Could I know the mistake?
Yes
Actually the answer is 196 J
But isnt it okay to take the value of g as 10.
Maybe its ok
But I’m not sure
If its right
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