mousMisConceptual Questions1. You push very hard on a heavy desk, trying to move it. Youdo work on the desk:9. Two ballsone straig(a) whether or not it moves, as long as you are exerting atrue if airba(b) only if it starts moving.(c) only if it doesn't move.(d) never-it does work on you.(e) None of the above.(a) Both E(b) Both E(c) The o:force.lower(d) The ohighe

Answer:- (d) never - it does work on you You push very hard on a heavy desk, trying to move it.…

Answered: MisConceptual Question 1. You push very…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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3. A 60 kg boy does 60 push-ups in 40 s. With each push-up he must lift an average of 70 % of his mass a height of 40 cm off the floor. Calculate the following: a) the work the boy does for each push-up, assuming he does work only when he pushes up b) the total work done in 40 s c) the power for this period
1. The restoring force from a non-ideal spring can be described by F-250N/m A-800N/m³. (Az)³, where Az is measured from equilibrium. How much work is done compressing this spring by 10 cm?
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Find the work done in joules by gravity as an object of the mass m 5 kg is raised up at constant speed from a height h;=26 m to a height h2=69 m. Consider g = 10 m/s2 A. None B. -2150 D. -6450 E. -4300 O < O a OUO DOE
2. Nicole lifts a bowling ball with a mass of 6.2 kg to a height of 1.5 meters above the floor. (a) How much work does she do to lift it? [be careful! E-S-AJ (b) How much gravitational potential energy (GPE) does the ball now have relative to the floor? (E-S-AJ (c) Work put into lifting an object to a given height is (greater than, less than, equal to) the GPE of the object as it rests at that height. (d) How much kinetic energy (KE) does the ball have as she holds it at rest at this height? while increasing in (height. (e) If she drops the ball, the ball will decrease in (height, speed) This indicates a transference of (KE, GPE) to (KE, GPE) speed)
D An 100.0000-kg man who pushes a crate 3.0000 m up along a ramp that makes an angle of 20° with the horizontal (see figure). He exerts a force of 500.0000 N on the crate parallel to the ramp and moves at a constant speed. (a) Calculate the work done by the man against his own weight to get up the ramp. W J man mg (b) Calculate the work done by the man on the crate to get it up the ramp. W % (c) Calculate the total work done to get both the man and the crate up the ramp. Wtotal J man→ crate = 10 Search = see other options - If you don't want to answer the question right now T Submit Answer J- & J+ U * 90 8 Answering the question(s) helps us recommend your next activity. 144 ( 9 f10 ▷ll O ( DDI P L D = } ↑ ( backspac

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MisConceptual Question 1. You push very hard on a heavy desk, trying to mo do work on the desk: (a) whether or not it moves, as long as you are ex force. (b) only if it starts moving. (c) only if it doesn't move. (d) never-it does work on you. (e) None of the above.