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Q.

Is it true if a large bus and a car collide head-on, both moving at magnitude u, and both come to a halt as a result. If the collision lasts one second, the car will accelerate faster?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
The car will experience greater acceleration. From the relationship of
Force = mass × acceleration
We have
a=Fm
Or,  a=Fm
Or,   1/m
Acceleration is indirectly proportional to the mass, less is the mass, and the greater is the acceleration. Since the mass of the car is much lesser than that of a large truck, the car experiences greater acceleration.
 
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