Answer:
initial velocity (u) = 108 km/h = 108×1000m / 3600 sec. = 30 m/sec.
final velocity (v) = 0m/sec.
time(t) = 30 sec.
Acceleration (a) = v - u/ t = 0m/sec - 30m/sec / 30 sec = -30m/s / 30sec = -1 m /sec square.
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Answer:
initial velocity (u) = 108 km/h = 108×1000m / 3600 sec. = 30 m/sec.
final velocity (v) = 0m/sec.
time(t) = 30 sec.
Acceleration (a) = v - u/ t = 0m/sec - 30m/sec / 30 sec = -30m/s / 30sec = -1 m /sec square.