A train with mass 40000 kg moving with a velocity of 60m\s comes at rest in 10sec by applying the brakes . What is the retardation of a train and force on the brake
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Answer:
Retardation= -6m/s²
Force= 240000N
Explanation:
A(retardation)= v/t
=60/10((m/s)/S)
=-6m/s²(because opposite to velocity)
F=ma
m=40000kg
a=║-6m/s²
∴240000N
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