A velocity of baby with mass of 20kg increases from 6m/s to 8m/s in 4s. a) What is the momentum before the force acts
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Answer:
20×6=120 Kg-m
Explanation:
as liner momentam = mass× velocity
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Answer:
The momentum of the baby before the force acts is 120 Kgm/s.
Explanation:
The mass of the baby, m = 20 Kg
The velocity of the baby increases from 6 m/s to 8 m/s. So the initial velocity of the baby is 6 m/s and the final velocity is 8 m/s.
Momentum is the product of the mass and velocity of a body. Here we need to find the momentum of the baby before a force acts on him. So the velocity that should be considered here is the initial velocity.
Momentum, P = mv
= 20 × 6
P = 120 Kgm/s
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