Answer:
Step-by-step explanation:
solution:
Data,
driving speed of car intially velocity at = Vi = 60km/h
the speed was then raised to final velocity at = Vf = 70km/h
the total period of speed raised = t = 5 sec
Req, acceleration = ?
put the formulae : a = Vf - Vi/t
a = 70 - 60/5
a = 2 m/sec2 ans
