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Question

A car of mass 1000 kg is moving with a velocity of v=10ms1 . If the velocity-time graph for this car is a horizontal line parallel to the time axis, then the velocity of car at the end of 25 s will be :

(a) 25 m s1

(b) 40 m s1

(c) 10 m s1

(d) 250 m s1

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Solution

Given Data:


Mass of the car,

m=1000kg

Velocity of the car, v=10ms1

Since, the velocity-time graph for this car is a horizontal line parallel to the time axis, it means velocity will remain constant with respect to time.


Hence, The velocity of the car is 10m/s after 25sec


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