Physics, 26.03.2021 04:20 iamsecond235p318rq
Please help due tonight
An object of weight 50 N is dropped from rest from a height of 8 m above ground. Ignore air resistance. What is the sum of its kinetic and
potential energies when it is 2 m above ground?
(A) 3920 J (B) 400 J (C) 300 J (D) 100 J
Answers: 1
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It may seem strange that the selected velocity does not depend on either the mass or the charge of the particle. (for example, would the velocity of a neutral particle be selected by passage through this device? ) the explanation of this is that the mass and the charge control the resolution of the device--particles with the wrong velocity will be accelerated away from the straight line and will not pass through the exit slit. if the acceleration depends strongly on the velocity, then particles with just slightly wrong velocities will feel a substantial transverse acceleration and will not exit the selector. because the acc
Answers: 1
Please help due tonight
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