A) 40 mm /s
B) \[60mm/s\]
C) \[113mm/s\]
D) \[120mm/s\]
Correct Answer: C
Solution :
\[v=\omega \sqrt{({{a}^{2}}-{{y}^{2}})}=2\sqrt{{{60}^{2}}-{{20}^{2}}}\]\[=113\,mm/s\].You need to login to perform this action.
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