Physics, 10.05.2020 12:57 michellebreshears451
A sled on ice moves in the ways described in questions 1-7 below. Friction is so small that it can be ignored. A person wearing spiked shoes standing on the ice can apply a force to the sled and push it along the ice. Choose the one force (A through G) which would keep the sled moving as described in each statement below. You may use a choice more than once or not at all but choose only one answer for each blank.
A. The force is toward the right and is decreasing in strength (magnitude).
B. The force is toward the right and is increasing in strength (magnitude).
C. The force is toward the right and is of constant strength (magnitude).
D. The force is toward the left and is decreasing in strength (magnitude).
E. The force is toward the left and is increasing in strength (magnitude).
F. The force is toward the left and is of constant strength (magnitude).
G. No applied force is needed.
Answers: 3
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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
A sled on ice moves in the ways described in questions 1-7 below. Friction is so small that it can b...
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