Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A block of mass 
moving on a horizontal surface with speed of 
enters a rough surface ranging from 
to 
. The retarding force in this range of rough surface is related to distance by 
where 
. The speed of the block as it just crosses the rough surface will be:
A
Zero
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
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