Physics - Kinematics Question with Solution | TestHub

PhysicsKinematicsMiscellaneousMedium2 minQB
PhysicsMediumsingle choice

Assertion: When a car strikes a telegraph pole, a very large magnitude of acceleration acts on it during the impact. Reason: The velocity of the car falls from a finite value to almost zero in a very short time interval, and acceleration is the rate of change of velocity.

Options:

Answer:
A
Solution:

The velocity change is large and the contact time is very small, so is very large. The reason correctly explains the assertion. Option A.

Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:Miscellaneous
⏱ 2mℹ️ Source: QB

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