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A particle of mass m slides down a smooth circular wedge (radius = R) of mass M (see fig). The wedge rests on a smooth horizontal table.
a) Find the equation of motion of m and M
b) the reaction of the wedge on m
a 20 micro f capacitor is fully charged across a 12v battery. the capacitor is then disconnected from the battery and
A 0.45 V potential difference is maintained across a 1.3m length of tungsten wire that has a cross-sectional area of 0.67 mm2 and the resistivity of the tungsten is 5.6 ×10−8 · m. What is the current in the wire?
A pair of narrow slits are .075 mm apart and are located 1.5 m from the screen. Find the wavelength of the beam
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In a typical game of squash, two people hit a soft rubber ball at a wall until they are about to drop due to dehydration and exhaustion. What will be the temperature increase of the ball after one bounce
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Aluminum wiring rated at 30. A maximum current is to be installed in a home. For safety reasons, it should produce no more heat than 15 watt per meter of length. how thick diameter does the wire have to be
two very large metal parallel plates that are 25cm apart oriented perpendicular to a sheet of paper are connected
A 84.3-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.67 rad/s. Find the angular velocity of the platform with its load
Vector A has a magnitude of 11 units at a direction of 255 o, and vector B has a magnitude of 30 units at a direction of 345 o, both gauged with respect to the positive x axis.
You have invented a new game and are playing it with your friends. You have a projectile launcher that fires a brick (mass=2 kg) with a speed and angle that you can adjust. What is the work done by friction during the block's motion
A centrifuge is used and runs at 3600 rpm. When it is shut off it comes to a stop. If it completed 30 revolutions in the time from the maximum speed to when it stopped, what was the angular accelerations assuming it was constant?
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