363472 A \(0.5\,kg\) ball moving with speed of \(1.2\,m/s\) strikes a hard wall at an angle of \(30^\circ \) with the wall. It is reflected with the same speed and at the same angle. If the ball is in contact with the wall for 0.25 seconds, the average force acting on the wall is:

363473 Assertion :
There is no appreciable change in the position of the body during the action of the impulsive force.
Reason :
In case of impulsive force the time of action of the force is very short.

363474 Figures (a), (b), (c) and (d) show variation of force with time.


The impulse in highest in figure.

363475 A ball of mass 50 \(gm\) is dropped from a height \(h = 10\,m\). It rebounds losing 75 percent of its kinetic energy. If it remains in contact with the ground for \(\Delta t = 0.01\,\sec .\) The impulse of the impact force is: (take \(g = 10\,m/{s^2}\))

363472 A \(0.5\,kg\) ball moving with speed of \(1.2\,m/s\) strikes a hard wall at an angle of \(30^\circ \) with the wall. It is reflected with the same speed and at the same angle. If the ball is in contact with the wall for 0.25 seconds, the average force acting on the wall is:

363473 Assertion :
There is no appreciable change in the position of the body during the action of the impulsive force.
Reason :
In case of impulsive force the time of action of the force is very short.

363474 Figures (a), (b), (c) and (d) show variation of force with time.


The impulse in highest in figure.

363475 A ball of mass 50 \(gm\) is dropped from a height \(h = 10\,m\). It rebounds losing 75 percent of its kinetic energy. If it remains in contact with the ground for \(\Delta t = 0.01\,\sec .\) The impulse of the impact force is: (take \(g = 10\,m/{s^2}\))

363472 A \(0.5\,kg\) ball moving with speed of \(1.2\,m/s\) strikes a hard wall at an angle of \(30^\circ \) with the wall. It is reflected with the same speed and at the same angle. If the ball is in contact with the wall for 0.25 seconds, the average force acting on the wall is:

363473 Assertion :
There is no appreciable change in the position of the body during the action of the impulsive force.
Reason :
In case of impulsive force the time of action of the force is very short.

363474 Figures (a), (b), (c) and (d) show variation of force with time.


The impulse in highest in figure.

363475 A ball of mass 50 \(gm\) is dropped from a height \(h = 10\,m\). It rebounds losing 75 percent of its kinetic energy. If it remains in contact with the ground for \(\Delta t = 0.01\,\sec .\) The impulse of the impact force is: (take \(g = 10\,m/{s^2}\))

363472 A \(0.5\,kg\) ball moving with speed of \(1.2\,m/s\) strikes a hard wall at an angle of \(30^\circ \) with the wall. It is reflected with the same speed and at the same angle. If the ball is in contact with the wall for 0.25 seconds, the average force acting on the wall is:

363473 Assertion :
There is no appreciable change in the position of the body during the action of the impulsive force.
Reason :
In case of impulsive force the time of action of the force is very short.

363474 Figures (a), (b), (c) and (d) show variation of force with time.


The impulse in highest in figure.

363475 A ball of mass 50 \(gm\) is dropped from a height \(h = 10\,m\). It rebounds losing 75 percent of its kinetic energy. If it remains in contact with the ground for \(\Delta t = 0.01\,\sec .\) The impulse of the impact force is: (take \(g = 10\,m/{s^2}\))