find workdone in changing of car form 30m/s to 60m/s of weight 150kg.
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Answer:
initial velocity of car(u)=0ms
−1
final velocity of car (v)=30ms
−1
time(t)=10s
we know,
v=u+at
30=0+a(10)
a=3ms
−2
we know,
F=ma
=1500×3
or F=4500N
Explanation:
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