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let m be mass
f = 4 m
As normal reaction = mg
As f = uN
u = f/N = 4m / mg = 4/g = 0.4
f = 4 m
As normal reaction = mg
As f = uN
u = f/N = 4m / mg = 4/g = 0.4
Sriyathmika:
thank you for this wonderful answer
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Answer:Acceleration occurs when there is change in velocity but in the given case velocity remains unchanged.
So acceleration is 0.
Hope it helps you.
Th@nk&
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