w Homework 4 (Chapters 6- 7)w NWP Assessment Player UI+ Homework 4 (Chapters 6 - 7)Question 3 of 10>-/ 1View PoliciesCurrent Attempt in ProgressA 6260-kg satellite is in a circular earth orbit that has a radius of 3.17 x 107 m. A net external force must act on the satellite tomake it change to a circular orbit that has a radius of 8.61 × 106 m. What work must the net external force do? Note that thework determined here is not the work Wift done by the satellite's engines to change the orbit. Instead, the work W isW = Wift + Wgravitational, where Wgravitational is the work done by the gravitational force.NumberiUnitseTextbook and MediaSave for LaterAttempts: 0 of 5 usedSubmit Answer...BỊNLBlaMacBook AirDD80888F7F8F9F10F2F3F4F6%232$&4789EYIII

Given data: - The mass of the satellite is ms = 6260 kg. The radius of circular earth orbit is re…

Answered: A 6260-kg satellite is in a circular…

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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A trunk of mass m = 0.6 kg is pushed a distance d = 30 cm up an incline with an angle of inclination theta = 23.0° by a constant horizontal force P = 425 N (see figure). The coefficient of kinetic friction between the trunk and the incline is 0.31. P. Calculate the work done on the trunk by the applied force P. Calculate the work done on the trunk by the frictional force. Calculate the work done on the trunk by the gravitational force.
A block of mass ?=0.350kg is released from rest, from a curved ramp of height h= 42.0 cm (point A in the figure). The block slides down frictionless to the bottom of the ramp to point B. a) What is work done by gravity when the block moves from A to B? b) What is the speed of the block at the bottom of the ramps (point B in the figure)? c) The box continuesto slide frictionless and compress a spring a distance Δ?=8.20cm until it stops at point C. What is the spring constant k of the spring? d)What is the elastic potential energy stored in the spring when the block is at point C?
A bicyclist starting from rest applies a force of F = 239 N to ride his bicycle across flat ground for a distance of d = 210 m before encountering a hill making an angle of θ = 17 degrees with respect to the horizontal. The bicycle and rider have a mass of m = 120 kg combined. In this problem, you can ignore air resistance and other losses due to friction.How much work, W in joules, did the rider do before reaching the hill? What is the bicycle's speed, v in m/s, just before the hill? If the cyclist starts coasting at the bottom of the hill, what distance, di in meters, does the bike travel up the incline?
A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 79.5-kg water-skier has an initial speed of 7.4 m/s. Later, the speed increases to 10.6 m/s. Determine the work done by the net external force acting on the skier.
A 0.59-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 8.5 J at point B. (a) What is its kinetic energy at A? J(b) What is its speed at point B? m/s(c) What is the total work done on the particle as it moves from A to B? J
An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 3.5× 104 kg, and the force causes its speed to change from 7100 to 5400m/s. (a) What is the work done by the force? (b) If the asteroid slows down over a distance of 1.8× 106 m determine the magnitude of the force. (a) Work = Choose your answer for sign in part (a) here Type your answer for part (a) here Choose your answer for units in part (a) here (b) F = Type your answer for part (b) here Choose your answer for units in part (b) here
As an object moves from point A to point B only two forces act on it: one force is nonconservative and does -40 J of work, the other force is conservative and does -60 J of work. Between A and B, O A. the potential energy of object increases, mechanical energy increases O B. the potential energy of object decreases, mechanical eneray increases O C. the potential energy of object decreases, mechanical eñey decreases the potential energy of object increases, mechanical energy decreases
An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 4.8× 104 kg, and the force causes its speed to change from 7700 to 5600m/s. (a) What is the work done by the force? (b) If the asteroid slows down over a distance of 1.4× 106 m determine the magnitude of the force.
A tennis ball of mass m = 0.091kg is thrown straight up with an initial speed v_{0} = 14m / s Let the gravitational potential energy be zero the initial height of the tennis ball a.what is the maximum height , h in meters the ball reaches B. What is the work done by gravity W_{g} Joules, during the ball's flight to its maximum height?
A block of mass m = 2.50 kg is pushed d = 2.80 m along a frictionless horizontal table by a constant applied force of magnitude F = 15.0 N directed at an angle 8 = 25.0° below the horizontal as shown in the figure below. m (a) Determine the work done by the applied force. (b) Determine the work done by the normal force exerted by the table. (c) Determine the work done by the force of gravity. J (d) Determine the work done by the net force on the block.
A spring has a natural length of 15 cm. A 50 N force is required to stretch (and hold the spring) to a length of 32 cm. How much work is done in stretching the spring from 36 cm to 40 cm?

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