1.

An object of mass 200kg us accelerateunformly from a velocity of 5 m/ota10 mis. Calculate the initial & finalmomentum of the object. Also findthe magnitude of the force exerted on the object​

Answer»

ANSWER:

MASS = 200 KG

INITIAL VELOCITY = 10 M/S

FINAL VELOCITY = 20 M/S

A) INITIAL MOMENTUM = MASS X INITIAL VELOCITY

= 200 x 10

= 2000 KGM/S

B) FINAL MOMENTUM = MASS x FINAL VELOCITY

= 200 x 20

= 4000 KGM/S

C) FORCE = CHANGE IN MOMENTUM / TIME

TAKEN

= 40002000 /2

= 2000/2

= 1000 NEWTONS



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