A) \[0.2\]
B) \[0.3\]
C) \[0.5\]
D) \[0.8\]
Correct Answer: C
Solution :
If they move together than \[{{a}_{A}}={{a}_{B}}=\frac{49}{10}=4.9\,m/{{s}^{2}}\] for just sliding condition of ?A? \[\mu \,{{M}_{A}}g={{M}_{A}}a\] \[\mu \times 9.8=4.9\] \[\mu =0.5\]You need to login to perform this action.
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