A) \[{{\pi }^{2}}m/{{s}^{2}}\]
B) \[2{{\pi }^{2}}m/{{s}^{2}}\]
C) \[4{{\pi }^{2}}m/{{s}^{2}}\]
D) \[8\pi \,\,m/{{s}^{2}}\]
Correct Answer: C
Solution :
Here: Frequency of revolution\[t=\frac{1}{2}rev/\sec \] Radius of wheel of cycle\[r=4\,\,m\] The acceleration of the wheel is given by \[r={{\omega }^{2}}=r\times {{(2\pi \,\,f)}^{2}}=4\times {{\left( 2\times \pi \times \frac{1}{2} \right)}^{2}}\]
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