A) 10
B) 20
C) 30
D) 40
Correct Answer: D
Solution :
[d] \[\frac{L}{2m}=\frac{dA}{dt}\](L= angular momentum) \[\frac{m{{v}_{\max }}{{r}_{\min }}}{2m}=\frac{dA}{dt};{{v}_{\max }}=\frac{2dA/dt}{{{r}_{\min }}}=40\]You need to login to perform this action.
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