a train is moving with a velocity of 90 km per hour it is brought to stop by applying the brakes which produce retardation of 0.5 m per second square find: the velocity after 10 seconds and the time taken by the train to come to rest.
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Ahoy !
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u = 90 km/h
u = 25 m/s
acc = 0.5 m/s²
1st case :
v= u + at
v= 25 - 5
v= 20 m/s
2nd case :
v=u+at
0=25-0.5xt
0.5t=20=5
t= 50 s Ans
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_____________________________________________________________
u = 90 km/h
u = 25 m/s
acc = 0.5 m/s²
1st case :
v= u + at
v= 25 - 5
v= 20 m/s
2nd case :
v=u+at
0=25-0.5xt
0.5t=20=5
t= 50 s Ans
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