When a driver travelling with a speed of 10 m/s applies brakes and brings the car to rest in 20 sec, then retardation in m/s square will be...
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Answer:
Pretty simple
Using the equation of motion
V = U + at
Your v = 0 m/sec
U = 10 m/sec
t = 20 sec
a in this case negative acceleration i.e. deceleration = ?
so substituong in the equation of motion mentioned above,
Deceleration = 0.5 m/sec^2
Hope you understood
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