The wheel of a toy car rotates about a fixed axis. It slows down from 400 rps to 200 rps in 2
s. Then, its angular retardation (in rad s- 2 ) is ( 
revolutions per second)
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
A
but 
Angular retardation, 
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