The collision between a bat and ball is ……………

A cricket ball of mass 150 g moving with a speed of 126 km/h hits at the iddle of the bat, held firmly at its position by the batsman. The ball moves straight back to the bowler after hitting the bat. Assurming that collision between ball and bat is completely elastic and the two remain in contact for 0.001 s, the force that the batsman had to apply to hold the bat firmly at its place would be

The collision between two hydrogen atoms is perfectly elastic ,so the momentum is consered.Do you agree with this statement?

The effective collisions between the reactant molecules at higher temperatures ________.

In a head on collision between an alpha particle and a gold nucleius (Z=79),the distnace of closet approach is 39.5 fermi.Calculate the enrgy of alpha particle.

A ball is dropped from a height of 1 m.If coefficient of restitution between surface and ball is 0.6 ,the ball rebounds to a height of :

write the relation between rate of reaction and collision frequency.

Chemical reaction occurs as a result of collisions between reacting molecules. Therefore, the reaction rate is given by

The distance between two equal balls having unlike charges is 2cm. The radii of the balls are much less than the distance between them. The balls attract each other with a force of 36xx10^(-5) N. After the ball have been connected by a wire and latter has been removed, the balls repel each other with a force of 20. 25xx10^(-5)N. Determine the original charges on the balls