it a body of 10 kg moving 90km/hr comes in rest in 5 second how much force outing on it.
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Answer:
50N
Explanation:
mass is 10kg , velocity is 90kmph and an important point to be noted is velocity conversion from kmph to m/s is 1kmph is equal 5/18 m/s so velocity is 25 m/s & from kinematics eqn that v = u + at so retardation is 5 m/s^2 & as force f = ma , force is 50N
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