Physics, 05.11.2019 02:31 hdjsjfjruejchhehd
Amass m is tied to an ideal spring with force constant k and rests on a frictionless surface. the mass moves along the x axis. assume that x=0 corresponds to the relaxed position of the spring. the mass is pulled out to a position xm and released. derive an expression for the positions at which the kinetic energy of the mass is equal to the elastic potential energy of the spring.
Answers: 2
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An charge with mass m and charge q is emitted from the origin, (x,y)=(0,0). a large, flat screen is located at x=l. there is a target on the screen at y position y(h), where y(h) > 0. in this problem, you will examine two different ways that the charge might hit the target. ignore gravity in this problem. 1.assume that the charge is emitted with velocity v(0) in the positive x direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive y direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l. 2.now assume that the charge is emitted with velocity v(0) in the positive y direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive x direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l.
Answers: 1
Amass m is tied to an ideal spring with force constant k and rests on a frictionless surface. the ma...
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