Physics, 13.09.2019 19:30 fatboicroi
Acrate is resting on a ramp that is inclined at an angleabove
the horizontal. as the angle is incrased the crateremains in place
until the angle reaches a value of 38degrees. then the crate begins
to slide down the slope. (a) determine the coefficient of static
friction between the crateand the ramp surface. (b) the coefficient
of kinetic frictionbetween the crate and the ramps surface is
0.600. find theacceleration of the moving crate.
Answers: 1
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Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
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Which branches of natural science include the study of an organism that lived 10 million years ago
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Physics, 22.06.2019 14:50
Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247°c during which pν1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.
Answers: 2
Acrate is resting on a ramp that is inclined at an angleabove
the horizontal. as the angle is...
the horizontal. as the angle is...
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