Physics, 21.06.2020 20:57, liyahlanderson2232
Object 1 is held at rest at the top of a rough inclined plane of length = 1.5 and angle = 25∘ . When it is released, it moves with an acceleration of 2m/s^2 down the plane. a) Find the coefficient of kinetic friction of the inclined plane. b) Find the speed of Object 1 when it reaches the bottom of the plane. At the bottom of the inclined plane, Object 1 arrives at a smooth (frictionless) horizontal surface where it hits Object 2 of three times mass of Object 1 (2 = 31). c) Assuming an elastic collision, find the speeds of Objects 1 and 2 just after the collision.
Answers: 1
Physics, 22.06.2019 16:20, punkieladie
What organization and environment is described above?
Answers: 1
Physics, 22.06.2019 19:30, isiahb123
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
Physics, 22.06.2019 21:20, Animallover100
An electron is ejected into a horizontal uniform e⃗ field at a parallel horizontal velocity of v0. assume the electron's initial position x0, initial velocity v0, time t, magnitude of electric field e, electron's mass m, and the magnitude of the electron's charge |e|. ignore the force that earth exerts on the electron. assume the e⃗ field is in the same direction as the initial velocity. part a define the equation for the electron's velocity. express your answer in terms of the variables v0, |e|, t, e, and m.
Answers: 3
Object 1 is held at rest at the top of a rough inclined plane of length = 1.5 and angle = 25∘ . When...
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