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A 0.45 kg soccer ball changes its velocity by 20.0 m/s due to a force applied to it in 0.10 seconds. What force was necessary for this change in velocity?
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Use F = m Δv / Δt.
a = Δv/Δt = 20.0 / 0.10 = 200 m/s²
F = m a = 0.45 × 200 = 90 N
Answer: 90 N (in the direction of the velocity change).
a = Δv/Δt = 20.0 / 0.10 = 200 m/s²
F = m a = 0.45 × 200 = 90 N
Answer: 90 N (in the direction of the velocity change).
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