1.

Calculate the force applied on a car of 200kg which speed up from 20m/s to 45m/s in 15 seconds​

Answer»

WER:-

GIVEN,

Mass of the CAR,m=200kg.

Initial VELOCITY,u=20m/s.

Final velocity,v=45m/s.

Time TAKEN,t=15S

Force=mass×acceleration,F=ma

F=m(v-u)/t

F=200(45-20)/15

F=200kg×25m/s /15s

F=5000kgm/15s

F=333.3...N

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