An object is start rest and attains a velocity 30km/h in 2s calculate the acceleration (ans 4m\s²
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Given - Final Velocity - 30 km/h
Time - 2 sec
Find - Acceleration
Solution - Acceleration is defined rate of change of velocity. Mathematically it is represented as, a = ∆v/t. In the formula, a represents acceleration z ∆v represents change in velocity and t is for time..
Since the vehicle starts from rest, initial velocity will be zero. Final velocity is 30 km/h or 8.33 m/s.
Keeping the values in formula-
a = 8.33-0/2
a = 4.16 m/s²
Hence, acceleration of vehicle is 4.16 m/s².
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