Laws Of Motion Question 229
Question: A player caught a cricket ball of mass 150 gm moving at the rate of 20 m/sec. if the catching process be completed in 0.1 sec the force of the blow exerted by the ball on the hands of player is[Kerala PET 2005]
Options:
A) 0.3 N
B) 30 N
C) 300 N
D) 3000 N
Show Answer
Answer:
Correct Answer: B
Solution:
Force exerted by the balltherefore $ F=m\ ( \frac{dv}{dt} )=0.15\times \frac{20}{0.1}=30\ N $
