4. A body of mass m is moving with a speed of 20 ms. The coefficient
kinetic friction between the body and ground is 0.5. Calculate the distance
plane nich rises 4 m in every 15 m.
travelled by the body before it comes to rest.
need of 5 m
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Sorry, but your question isn't clear. I prefer you to recheck it.
Thank you!!!
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Answer:
v= 20 ms¹
u=0.5
g=9.8
u=f/g =ma/mg =a/g
a=ug = 0.5 ×9.8 = 4.90 (approx)
by using v²- u² =2as
(20)²-(0)²=2×4.90×s
s=(20)²/2×4.90= 400/2×4.90
=40.81 m is the answer
Explanation:
thanku
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