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Part A A tennis player hits a 58.0 g tennis ball so that it goes straight up and reaches a maximum height of 5.43 m. How much work does gravity do on the ball on the way up? Express your answer in joules. IVO W = Submit Request Answer Part B How much work does gravity do on the ball on the way down? Express your answer in joules. AE W = Submit Request Answer Provide FeedbackPart A A fisherman reels in 13.0 m of line while landing a fish, using a constant forward pull of 20.0 N. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of How much work does the tension in the line do on the fish? Pushing a stalled car. Express your answer in joules. W = 300 Submit Previous Answers Request Answer X Incorrect; Try Again; 19 attempts remaining Provide FeedbackPart A A factory worker moves a 25.0 kg crate a distance of 4.80 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and the floor is 0.200. What magnitude of force must the worker apply? Express your answer with appropriate units. HA Fworker Value Units Submit Request Answer Part B How much work is done on the crate by the worker's push? Express your answer with appropriate units. HA FOE ? Wworker= Value Units Submit Request Answer Part C How much work is done on the crate by friction? Express your answer with appropriate units. HA FOE ? Wf = Value Units Submit Request AnswerPart A A factory worker moves a 25.0 kg crate a distance of 4.80 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and the floor is 0.200. Part B Part C Part D How much work is done by the normal force and by the gravity? Express your answer with appropriate units. FOE ? W = Value Units Submit Request Answer Part E What is the net work done on the crate? Express your answer with appropriate units. ? Wnet = Value Units Submit Request AnswerPart A A bullet is fired into a large stationary absorber and comes to rest. Temperature measurements of the absorber show that the bullet lost 1950 J of kinetic energy, and high-speed photos of the bullet show that it was moving at 955 m/s just as it struck the absorber. What is the mass of the bullet? Express your answer with the appropriate units. LLA ? m = Value my O The unit you entered is not recognized. Review a list of acceptable units. No credit lost. Try again. Submit Previous Answers Request AnswerPart A A 0.140 kg baseball leaves a pitcher's hand at a speed of 23.0 m/s. If air drag is negligible, how much work has the pitcher done on the ball by throwing it? Express your answer with the appropriate units. 0 ? W = Value Units Submit Request Answer Provide Feedback