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A ball with I=(2/5)MR2 is placed on a plane inclined atan angle θ. The plane is accelerated upward (along its direction) with acceleration a. For what value of a does the CM(center of mass) of the ball not move? Assume that there is sufficient friction so that the ball doesn't slip with respect to the plane.
A man strides across a bed of embers. Assume the glowing charcoal is covered with a thin layer of ash 0.50 mm thick and is at a temperature of 650C. The thermal conductiviity of ash and charcoal is 1.5 W/ (mxK). (a) Estimate the heat transferred t..
A piece of thin spherical shell that has a radius of curvature of 90 cm is silvered on both sides. How far was the mirror moved
A batted baseball leaves the bat at an angle of (34.0 Degrees) above the horizontal, How high does the ball rise above the point where it struck the bat
A 0.500kg ball is dropped from rest at a point 1.20m above thefloor. The ball rebounds straight upward to a height of0.700m. What is the magnitude and direction of the impulseapplied to the ball by the floor?
An elastic cord is 66 cm long when a weight of 66 N hangs from it but is 86 cm long when a weight of 76 N hangs from it. What is the "spring" constant k of the elastic cord.
A rocket is launched from rest with an acceleration of 30m/s^2 for the duration of one second when it runs out of fuel. What is the max height of the rocket
a cork floats on the water as a water wave passes by. what happens to the cork? will the corks vibrational frequency be
A hill that has a 17.2 % grade is one that rises 17.2 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
Can Somone please help me out????A 63.0 m length of insulated copper wire is wound to form a solenoid of radius 2.3 cm. What maximum energy is stored in the inductor
A lightning bolt transfers 6.0 coulombs of charge from a cloud to the ground in 2.0 10-3 second. What is the average current during this event
a 5.20 x 102 kg hot-air balloon takes off from rest at the surface of the earth. the nonconservative wind and lift
Three resistors of resistance 2 ?, 3 ? and 4 ? are connected in series with a 10 V battery. In which resistor is the greatest power dissipated
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