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A solid 11-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 6.6 m/s. Determine:
a) the kinetic energy due to the motion of the center-of-mass. (ignoring rotation)
b) the kinetic energy due to rotation of the block about its center-or-mass.
c) the total kinetic energy.
A girl jumps on bike and exerts torque of 25.0 N-m perpendicular to the pedal. Moment of inertia of bike wheel is I = 0.045kg-m^2. What is angular velocity of bike wheel at end of this time
In vacuum, two charged particles lie 2.5 cm apart. Find the magnitude and direction of the electric field at a point midway between the two particles. (One has a charge of -8.0 µC and the other has a charge of +4.0 µC.) Magnitude.
An electron is accelerated through 2250 V from rest and then enters a region where there is a uniform 2.00 T magnetic field. What are the maximum and minimum magnitudes of the magnetic force acting on this electron
A long solenoid has a diameter of 12.0 cm. When a current i exists in its windings, Calculate the magnitude of the induced electric field at the following distances from the axis of the solenoid
A car engine with mass = 220 kg hangs from a light chain that is linked at ring O to two other light chains as shown
A circular saw blade completes 1200 revolutions in 40 rm s while coasting to a stop after being turned off. Assuming steady deceleration, what are (a) angular deceleration and (b) initial angular speed.
A +20 nC point charge is placed on the x axis at x =2.0 m, What is the direction of the electric field at the origin
An ant, crazed by the sun on a hot Texas afternoon, darts over an xy plane scratched in the dirt. What are the magnitude and angle (relative to the positive x axis) of the overall displacement
A piece of a wire, with the cross-sectional area of 0.5176 mm2 and 1.80 m long, What is the resistivity of the material of the wire
Water flows out of a shower in a typical house at a rate of 20 liters/min. what is the difference between the pressure in the tank and atmospheric pressure
A long, current-carrying solenoid with an air core has 1780 turns per meter of length and a radius of 0.0130 m. What is the mutual inductance of this system
A liquid with a density of 1680 kg/m3 flows through a horizontal pipe with varying cross section. Determine the pressure in the second section
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