a car starts from rest with constant acceleration of 5 metre per second square for 10 seconds then it moves with constant velocity for 10 seconds then it move with constant retardation and come to rest in next 5 seconds the maximum velocity will be
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Explanation:Given:
The initial velocity of the car, u = 0 m/s (at rest)
The acceleration of the car, a = 4 m/s²
The time of acceleration, t₁ = 30 seconds
The time of retardation, t₂ = 60 seconds
To Find:
(i) Maximum velocity attained by car.
(ii) Magnitude of retardation of car.
(iii) Total distance covered by car.
(iv) Avg speed of the car through out the motion.
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