A cricket ball is seen to hit the bat first and the sound of hitting is heared a little later. Why?

Explain why, the flash of lightning reached us first and the sound of thunder is heard a little later.

Boojho saw a cracker burst at night at a distance from his house. He heard the sound of the cracker a little later after seeing the cracker burst. Give reason for the delay in hearing the sound.

A cricket ball is hit for a six the bat at an angle of 45^(@) to the horizontal with kinetic energy K. At the highest point, the kinetic energy of the ball is

A cricket ball is dropped from a height of 20 metres. (a) Calculate the speed of the ball when it hits the ground. (b) Calculate the time it takes to fall though this height (g=10 m//s^(2))

A uniform moving cricket ball is turned back by hitting it with a bat for a very shart time interval. Show the variation of its acceleration with time. (Take acceleration in the back ward direction as positive).

A cricket ball is hit for a six leaving the bat at an angle of 60^(@) to the horizontal with kinetic energy k .At the top, K.E. of the ball is

A cricket ball is hit 30^(@) with the horizontal with kinetic energy K. The kinetic energy at the highest point is