Physics, 18.02.2020 16:20 ckenyewildon
You're on a roof top and throw a ball downward to the ground below, and another upward whereupon after rising, it falls and also strikes the ground below. If your downward and upward initial speeds are the same, how do the speeds of the balls compare upon striking the ground? Explain in terms of energy.
Answers: 3
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We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?
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Physics, 22.06.2019 16:00, blythephillips2734
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
You're on a roof top and throw a ball downward to the ground below, and another upward whereupon aft...
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