JEE Main & Advanced
Physics
Rotational Motion
Question Bank
Mock Test - Dynamics of Rigid Body
question_answer
The wheel in figure has eight equally spaced spokes and a radius of 30 cm. It is mounted on a fixed axle and is spinning at 2.5 rev/s. You want to shoot a 29-cm-long arrow parallel to this axle and through the wheel Without hitting any of the spokes. Assume that the arrow and the spokes are very thin. What minimum speed (in m/s) must the arrow have?