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Solve the all parts of given question:
Question: You are pushing a refrigerator across the floor of your kitchen. You exert a horizontal force of 327 N for 7.7 s, during which time the refrigerator moves a distance of 2.9 m at constant velocity.
Question 1: What is the total work (by all forces) done on the refrigerator?
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Question 2: What is the work done by friction?
Show each step and the equations you used. Thank you!
Rocket mass 5000kg emits a mass of 10kg at 2000m/s at right angles...What is velocity of rocket after expulsion?
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a hydrogen-filled blimp cruises slowly at a low altitude. its maximum useful payload including crew and cargo is 6857
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