When Arti kicks a football, two forces interact. Arti's foot exerts a force on the ball. What exerts a force on Arti's foot?
1 answer:
The football and air resistance between contact
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the total mass is 35 kg
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<u>10 m/s </u>
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<u>Given</u>
mass of ball 1, m1 = 1 kg mass of ball 2, m2 = 0.25 kg initial velocity of ball 1, u1 = 10 m/s initial velocity of ball 2, u2 = 0 m/s [stationary] final velocity of ball 1, v1 = 7.5 m/s momentum of ball 2 after collision = 2.5 kg m/s
<u>Solving</u> :
We do not require all of this information Only require points 2 and 6 Momentum = mass x velocity ⇒ velocity = 2.5 / 0.25 ⇒ velocity = <u>10 m/s </u>
