PLEASE ANSWER FAST PLEASE fast please
Attachments:
Answers
Answered by
1
Mass of car= 1200 kg
Intial speed u=25m/sec
Final speed v=5 m/sec
Time t= 4sec
Acceleration a= 5-25/4
Acceleration= -5 m/sec
Momentum = m(v- u)
Momentum= 1200 (5-20)
Momentum=24000 Ns
Magnitude of force= momentum/time
External Force= -24000/-4
Force= 6000 N
Similar questions