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A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate the kinetic energy of the rod and

A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate the angular momentum of the rod about the centre of mass after the force has stopped to act. Assume that t is so small that the rod does not appreciably change its direction while the force acts.

Two identical small balls are interconnected with a light and inextensible thread having length L. The system is on a smooth horizontal table with the thread just taut. Each ball is imparted a velocity v , one towards the other ball and the other in a direction that is perpendicular to the velocity given to the first ball. (a) After how much time the thread will become taut again? (b) Calculate the kinetic energy of the system after the string gets taut.

A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate the speed of the centre of mass,

A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate a. the speed of the centre of mass ,b. the angular speed of the rod about centre of mass, c. the kinetic energy of the rod and d. the angular moment of the rod about the centre of mass after the force has stopped to act. Assume that t is so small that the rod does not apreciably change its direction while the force acts.

A uniform rod of mass m and length l is struck at an end by a force F perpendicular to the rod for a short time interval t. Calculate a. the speed of the centre of mass ,b. the angular speed of the rod about centre of mass, c. the kinetic energy of the rod and d. the angular moment of the rod about the centre of mass after the force has stopped to act. Assume that t is so small that the rod does not apreciably change its direction while the force acts.

A one-dimensional force F varies with time according to the given graph. Calculate impulse of the force in following time intervals. (a) From t=0s to t=10s . From t=10 s to t=15s . (C) From t=0 s to t=15s .

A one-dimensional force F varies with time according to the given graph. Calculate impulse of the force in following time intervals. (a) From t=0s to t=10s . From t=10 s to t=15s . (C) From t=0 s to t=15s .

A one-dimensional force F varies with time according to the given graph. Calculate impulse of the force in following time intervals. (a) From t=0s to t=10s . From t=10 s to t=15s . (C) From t=0 s to t=15s .

The current in a resistor varies with time according to the equation I=5A+2As^-1t Calculate how many colulomb pass through the cross section of the resistor in the time interval between t = 2s and t = 5s.