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A hollow spherical shell has mass 8.05kg and radius 0.225m. It is initially at rest and then rotates about a stationary axis that lies along a diameter with a constant acceleration of 0.910rad/s2.
What is the kinetic energy of the shell after it has turned through 6.25rev?
Two automobiles, each of mass 900 kg, are moving at the same speed, 15 m/s, when they have an inelastic collision.(a) In what direction and at what velocity does the wreckage move if one car was driving north and one south? (b) In what direction a..
A square room has 3 mirrored walls of length L with one side missing. A laser is fired from the center of the open side of the room with an angle of incidence, I, what must the angle of incidence be
How much work is completed on the box by the applied force
A uniform electric field of magnitude 2500N/C makes an angle of 27 degrees with a plane surface of area 0.355 m2. what is the net charge inside the box
A metal sphere with radius r_a is supported on an insulating stand at the center of a hollow, metal spherical shell with radius r_b. There is charge + q on the inner sphere and charge - q on the outer spherical shell. Take potential V to be zero w..
Two objects of masses 10.0 kg and 5.00 kg are connected by a light string that passes over a frictionless pulley as in figure P4.20. The 5.00 kg object lies on a smooth incline of angle 40 degrees. Find out the acceleration of the 5.00 kg object ..
We supply 132.4 Joules of heat to an engine with 15.60% efficiency. How much work can the engine do
Two small beads having positive charges 2q and q are fixed at the opposite ends of a horizontal insulating rod, At what position is the third bead in equilibrium
A charge Q is uniformly distributed along the x axis, what is the electric potential (relative to zero at infinity) at the point, x = 8.0 m, on the x axis,
2.00 mole of an ideal gas at 330k, 3.50 atm and 3.0L are isothermically compressed causing a change of entropy in the system equal to -25.0 J*K^-1. determine the final volume of the system
A ski starts from rest and slides down a 28 degree incline 70m long. If the coefficient of friction is 0.090, what is the ski's speed at the base of the incline
The magnetic field in an electromagnetic wave has a peak value given by B = 5.0?T. For this wave, find the peak electric field strength
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