A train moving with a velocity of 20 ms-1 is brought to rest by applying brakes in 5s. Calculate the retardation
Answers
Answered by
73
HOLA!!
HERE WE GO
GIVEN
Initial velocity (u) = 20ms^-1
Final velocity (v) = 0 (since comes to rest )
time (t) = 5s
SOLUTION
Retardation = (u-v)/t
= (20-0) /5
= 20/5
therefore retardation = 4ms^-1
HOPE YOU GOT HELPED:D
HERE WE GO
GIVEN
Initial velocity (u) = 20ms^-1
Final velocity (v) = 0 (since comes to rest )
time (t) = 5s
SOLUTION
Retardation = (u-v)/t
= (20-0) /5
= 20/5
therefore retardation = 4ms^-1
HOPE YOU GOT HELPED:D
Answered by
5
4ms^-2 is the correct answer
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