A bus moving with a speed …
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Yogita Ingle 5 years, 7 months ago
Initial Speed (u)= 54 km /hr = 54 *1000 m / 3600 s = 54*5/18 = 15 m/s
( 1km = 1000 m and 1hr = 60 mins = 60*60 seconds = 3600 seconds)
Time = 8 seconds
Final Velocity (V) = 0
we know that ,
v = u + at
0 = 15 + a*8
0 = 15 + 8a
a= -15/8 m/s²
Therefore , acceleration is -15/8 m/s²
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