A car moving with a certain velocity comes to a halt in 10 seconds,if the retardation was 5m/s square,find initial velocity of the car?
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Solution:-
Final velocity=0
Initial velocity=?
Acceleration= -5m/s^2
Time = 10 seconds
By using equation:-
v=u+at
0=u+(-5×10)
0=u+(-50)
u=50
Hence,the initial velocity of car was 50m/s.
Final velocity=0
Initial velocity=?
Acceleration= -5m/s^2
Time = 10 seconds
By using equation:-
v=u+at
0=u+(-5×10)
0=u+(-50)
u=50
Hence,the initial velocity of car was 50m/s.
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