A glass marble whose mass is falls from a height of and rebounds to a height of . Find the impulse and average force between the marble and the floor if the time of contact is .
Important Questions on Laws of Motion
A hammer weighing and moving with a speed of strikes the head of a nail and drives it into a wall. Neglecting the mass of the nail, calculate
(i) Acceleration during impact
A hammer weighing and moving with a speed of strikes the head of a nail and drives it into a wall. Neglecting the mass of the nail, calculate
(ii) Interval during the impact
A hammer weighing and moving with a speed of strikes the head of a nail and drives it into a wall. Neglecting the mass of the nail, calculate
(iii) Impulse.
A shell is fired with a nozzle velocity of from a gun of barrel length long. Calculate the average value of
(i) Acceleration
A shell is fired with a nozzle velocity of from a gun of barrel length long. Calculate the average value of
(ii) The time
A shell is fired with a nozzle velocity of from a gun of barrel length long. Calculate the average value of
(iii) The force