physics

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A 11.4 m long glider with a mass of 670.0 kg (including the passengers) is gliding horizontally through the air at 29.9 m/s when a 60.1 kg skydiver drops out by releasing his grip on the glider. What is the glider's velocity just after the skydiver lets go?

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Why would it change?

• physics -

that`s true..it wouldn`t change.

does that mean that momentum is not conserved

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