Question

A train starting from railway station and moving with uniforn acceleration attains a speed 40 km/h in 10 minutes. Find its acceleration.

Answer 1

speed=40km
time=10min
speed=distance /time
40=distance/10
distance=40×10
=400m
distance= displacement
velocity=displacement/ time
=40
acceleration =velocity/time
=40/10
=4
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