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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 60g ball of clay is thrown horizontally at 10m/s toward a 1.8kg block sitting at rest on a frictionless hi surface. The clay hits and sticks to the block. What impulse does the block exert on the clay
An airbus A320 has a takeoff mass of 75,000 kg. It reaches a takeoff speed of 82 m/s in 35 s. What is the thrust of the engine
A body slides down a plane inclined at 40 degrees to the horizontal, with an acceleration of 2.3 meters/second^2. Determine the coefficient of kinetic friction
COnsider a bimetallic strip consisting of a 0.5mm thick brass upper strip welded to a 0.5mm thick steel lower strip. What is the length of the strip at its original position
Reply in m/s. Also, why does the car's mass not matter.
a point charge q is located a distance rgtr from the center of a nongrounded conducting spherical shell with radius r
The acceleration due to gravity on the Moon's surface is known to be about one-sixth the acceleration due to gravity on the Earth. find the mass of the Moon in terms of the mass of the Earth
A 20 kg satellite has a circular orbit with a period of 2.8 h and a radius of 7.9 106 m around a planet of unknown mass. what is the radius of the planet
A copper wire of radius0.10mm is carrying a current at the Earth's Equator. Assuming that the magnetic field of the Earth has magnitude 0.5 G at the Equator and is parallel to the surface of the Earth and that the current in the wire flows toward the..
A rocket, which has a rest mass of 235,000 kg, including186,000 kg of fuel is sitting "at rest" in space. What will be the velocity the final velocity of the rocket
Two additional charges are fixed on the circle of the compass (radius = 0.125 m). The charges on the circle are -3.90 µC at the position due north and +5.00 µC at the position due east.
A spherical mirror is polished on both sides. when you use aconvex mirror the magnification is +1/6. What is the magnification when used as a concave mirror the object remaining the same distance form the mirror?
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