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a cannon shoots a 40kg ball at a sailing ship and when it hits the wall of the vessel if applies 2000 N of force. how much was it decelerated?
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What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.
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a cannon shoots a 40kg ball at a sailing ship and when it hits the wall of the vessel if applies 200...
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