An object starts from rest and accelerates at a rate of 3.0 m/s/s for 6.0 seconds. The velocity at the end of the 6.0 seconds is
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This question involves the concepts of the law of conservation of momentum and speed.
She moves with a speed of "0.41 m/s".
Applying the law of conservation of momentum to this situation, we get:
where,
m₁ = mass of shirley = 65 kg
m₂ = mass of tank = 12 kg
u₁ = initial speed of shirley = 0 m/s
u₂ = initial speed of tank = 0 m/s
v₁ = final speed of shirley = ?
v₂ = final speed of tank = 2.2 m/s
Therefore,
negative sign shows the opposite direction.
Learn more about the law of conservation of momentum here:
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