If a .40kg football is thrown with an acceleration of 1.8m/s^2, what is the force used to throw the football? Question 1 options
: .22N 4.5N .72N 1N
1 answer:
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Answer:
v₂ = 5.7 m/s
Explanation:
We will apply the law of conservation of momentum here:
where,
Total Initial Momentum = 340 kg.m/s
m₁ = mass of bike
v₁ = final speed of bike = 0 m/s
m₂ = mass of Sheila = 60 kg
v₂ = final speed of Sheila = ?
Therefore,
<u>v₂ = 5.7 m/s </u>