Cricket Ball Speed
Classical Mechanics
Level
pending
What speed should a bowler weighing 70kgs should run at in order to bowl a ball which leaves his hand at 140 kmph. The weight of the cricket ball can be assumed to be 1.5 kgs
140kmph
3 kmph
2 kmph
4 kmph
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
Applying the law of conservation of momentum (Mass of human * Velocity of human) = (Mass of ball * Velocity of ball), therefore 70 * Velocity of human = 1.5 * velocity of ball . Therefore Velocity of Human = 70 kmph.