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When the three blocks are released from rest, they accelerate with a magnitude of 0.600 m/s2. Block 1 has mass M, block 2 has 2M, and block 3 has 2M. What is the coefficient of kinetic friction between block 2 and the table?
The amount of internal enrgy needed to raise temperature of .25kg of water by .2 degreesCis 209.3J. How fast must a .25kg baseball travel in order for its kinetic energy to equal this internal energy.
Infrared light of wavelength 2.6 mm illuminates a 0.27-mm-diameter hole. What is the angle of the first dark fringe in degrees
q 1- how much pressure would be necessary to compress a quantity of mercury by 0.015 percent?2- two metal plates are
A small block with mass m1 rest on a frictionless horizontal tabletop a distance r1 from a hole in the center of the table. A light, stretchless string tied to the small block passes down through the hole, and a larger block with mass m2 is suspen..
two long parallel wires carry unequal currents in opposite directions. the ratio of the currents is 3 to 1. the
Draw a free body diagram for the skateboarder at the bottom of the ramp
A cowboy at a dude ranch fills a horse trough that is 1.50m long, 65cm wide and 45cm deep. He uses a 2cm diameter hose from which water emerges at 1.50m/s.
The figure below gives the potential energy U of a magnetic dipole in an external magnetic field , as a function of angle between the directions of and the dipole moment. The vertical axis scale is set by Us = 2.0 10-4 J. The dipole can be rotated..
a ski starts from rest and slides down a 25deg incline 70 m long. use energy methods.a if the coefficient of friction
Flint glass has a refractive index of 1.645 for blue light and 1.629 for red light. When viewing an image these colors will not focus at the same location due to this effect. Find the focal length of both the blue and red light
In exercising, a weight lifter loses 0.145 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. The work done in lifting weights is 1.21 x 105 J. (a) Assuming that the latent heat of vaporiza..
a proton is placed in a uniform electric field of 2.75 x 103 nc. calculate the magnitude of of the electric force felt
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