A car starts from rest when 600N force is exerted by the engine. If the car is if 200kg mass, then what is the time required by the carnival cover 100m?
a) 8s
b) 10s
c) 2.9s
d) 12.3s
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Force =600N
Mass = 200kg
Acceleration = ?
formula F = MA
600 =200× a
a = 600/200
a = 3m/s²
Hence we have acceleration as 3 metre per second square
= convert acceleration in kilometre per hour for Speed.
= to convert metre per second in kilometre per hour divide the the quantity with 18 by 5
3×18/5
10.8 km/h
now by using formula speed is equals to distance upon time we will find the time.
= 10.8= 100/t
= t = 100/10.8
= t = 9.25s
Which is some what near to (b) option.
better if you check it from your mentor.
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