Question

A train is moving with a velocity of 400m/s. With the application of brakes a retardation of 10 m/s is produced. Calculate the time taken to come to rest

Answer 1

Answer:hi

U=400m/s

A=-10m/s (as braking oppo side)

V=0

T=

V =u+at

V-u/a =t

T=0-400/-10

T=0-400/-10=-400/-10

=40seconds is ur ans

Explanation:

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