Physics, asked by evangelineangel, 1 year ago

A train, travelling at 72 km/hr is stopped in 4 seconds by the application of brakes. What is retardation of the train ?

Answers

Answered by aryan133

7

Acceleration = intial value - final value

aryan133: incomeplete answer is this i want to send more

evangelineangel: yes

aryan133: 0-20/4=-5m/s

aryan133: pls mark the answer brainleist

evangelineangel: thanks

aryan133: mark it brainelist

aryan133: pls bro

sharadajagan: hey how u got initial and final value

Answered by anandimenon

2

Go according to the equation v=u +at --(1)
u is 72km/hr , t is 4s and v is 0....
Solve for a in equation (1)

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