Answer:60 gm
Explanation:
Given
initial velocity of ball 
Force exerted by racquet 
time period of force 
final velocity of ball 
Racquet imparts an impulse to the ball which is given by



Answer:
5N
Explanation
convert grams to kg and multipy with 10 (.5 *10)=5N
Answer:
A. a material burns out when current is excessive
Answer:
demand (an amount) as a price for a service rendered or goods supplied.
Explanation:
to enter or record as an obligation against a person or his account. to accuse or impute a fault to (a person, etc), as formally in a court of law. to command; place a burden upon or assign responsibility toI was charged to take the message to headquarters.
Answer: Velocity is the vector, which means it has both direction and magnitude . Velocity is defined as the speed of something in a given direction .
Explanation: