Question

A car of mass 1000 kg starts from rest and accelerates to a speed of 20 m/s in 20 seconds,
It then noves with constant velocity for 80 seconds. What is the force acting on the car
from 0 to 20 second?
(a) 1000N
b) 500N
(c) 200N
(d) 100N
A. What is the force acting on the car from 20 sec to 100 sec in the statement given in Q3?
(412000N
(b) 200N
(c) 100N
(d) Zero
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Answer 1

Answer:

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