A bus is moving with a speed of 54 km/h on applying brakes it stopped in 8sec. calculate its acceleration
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6.5 is acceleration of the bus
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Initial speed = 54 Km/h
Final speed = 0 Km/h
Time taken = 8 Sec = 8/60 min
= 1/450 h
FORMULA is (v - u= at)
54000/60- 0 = 2a/15
2a = 900 x 15
a = 13500/ 2 m/sec^2
a = 6750 m/ sec^2
As the speed is reducing it is Retardation.
Final speed = 0 Km/h
Time taken = 8 Sec = 8/60 min
= 1/450 h
FORMULA is (v - u= at)
54000/60- 0 = 2a/15
2a = 900 x 15
a = 13500/ 2 m/sec^2
a = 6750 m/ sec^2
As the speed is reducing it is Retardation.
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