Question

If a cycle wheel of radius 4 m completes one revolution in two seconds. Then acceleration of the cycle will be

• A. $\pi^{2}m/s^{2}$
• B. $2\pi^{2}m/s^{2}$
• C. $4\pi^{2}m/s^{2}$
• D. $8\pi m ⥂ / ⥂ s^{2}$

Answer 1

Answer: (C)

$4\pi^{2}m/s^{2}$

Answer 2

Given $r = 4m$and $T = 2\sec ⥂ onds.$

$\therefore a_{c} = \frac{4\pi^{2}}{T^{2}}r = \frac{4\pi^{2}}{(2)^{2}}4 = 4\pi^{2}m/s^{2}$