A car is travelling at 54km/h .if it's velocity increase to 72 km/h in 5 s then find the acceleration of the car in si units
hint convert velocity to m/s units
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2
Answer:
final velocity (v) = 72 km /h = 72 × 5/18 = 20 m/s. time (t) = 5 s. Acceleration (a) = v - u/t a = 20 - 15/ 5a = 5/5 a = 1 m/s^2. This discussion on A car is travelling at 54km/h.
Answered by
6
Answer:
initial velocity = 54km/hr
= 54 × 1000/3600
= 15m/s
final velocity = 72km/h
= 72 × 1000/3600
= 20m/s
time taken = 5s
Acceleration = (v - u)/t
= (20-15)/5
= 5/5
= 1m/s^2
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