Explain how much acceleration will the other three produce

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Q. The acceleration due to gravity on the Moon's surface is one-sixth that on Earth. An astronaut 's life support backpack weighs 300 lb on earth. What does it weigh on the Moon?

Q. If a four-engine jet accelerates down the runway at 2 m/s2 and one of the jet engines fails, how much acceleration will the other three produce?

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