Question

plz tell...........plz.........​

Answer 1

Answer:

Pb is momentum of Bus

Ph is momentum of Helicophter

Explanation:

Newton's second law. The second law states that the rate of change of momentum of a body is directly proportional to the force applied, and this change in momentum takes place in the direction of the applied force. ... Any net force is equal to the rate of change of the momentum.

Newton's second law of motion states that, "The rate of change of momentum of a body is directly proportional to the applied force and takes place in the direction in which force acts".

 F∝  Change in momentum/ Time

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F∝ mv−mu/ t

 

 

F∝m {(  v−u) / t }

⇒F∝ma⇒F=kma(∵a= v−u/t)

⇒F=ma(∵k=constant=1)

This is the equation of Newton's second law of motion.

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