A car of mass 1200kg
speed of 20 m/s by
1200 kg is brought
brought to rest from a
à constant force op 3000 N.
Calculate the change in momentum produced
by the force and the time
taken the ear to
by
come to rest
Answers
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0
Answer:
24000N and 8 seconds
Explanation:
The acceleration , a = (0–20)/t = (-20/t)
F = R
ma = -3000
(1200)(-20/t) = -3000
3t=24
t=8s
Change in mom. = m(v-u)=1200(0–20)=-24000Ns
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