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A disk, a solid sphere, and a hollow spherical shell of the similar mass and radius are released at the similar time at the top of an inclined plane. Determine which object will finish the race the fastest and the slowest?
(a) What is the rate of energy radiation per unit area of a blackbody at a temperature of 294 K. (b) What is the rate of energy radiation per unit area of a blackbody at a temperature of 2940 K
A 5N force is applied to a wheel with a rotational inertia of 0.080 kg m2 that has a radius of 5 cm, What angular aceleration did it cause
The potential at location A is 392 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 780 V, and when released from rest from this spot, the particle arrives at B wit..
A box of mass 19.0 kg is sitting on a flat horizontal floor with a coefficient of static friction of 0.30 between the box and the floor. What minimum tension in the string is required for the box to just start moving
A child slides across a floor in a pair of rubber-soled shoes. Thefriction force acting on each foot is 20.0 N. The footprint area ofeach shoe sole is 14 cm2, and the thickness of eachsole is 5 mm. Find the horizontal distance by which the upper a..
An ideal polarizer with its transmission axis rotated 30.5 to the vertical is placed in a beam of unpolarized light of intensity 10 W/m ^2. After passing through the polarizer, what is the intensity of the beam
An electric motor is used to lift an elevator and its load to aheight of 20m. at which rate is the energy supplied to the motor
A spherical capacitor with a 1.20 mm gap between the spheres has a capacitance of 60.0 pf. What are the diameters of the two spheres
A ski starts from rest and slides down a 29° incline 100 mlong. Use energy methods. If the coefficient of friction is 0.09, what is the ski's speed at the base of the incline
A coil is placed in a changing magnetic field and an emf is induced. What happens to the induced emf if the rate of change of magnetic field quadruples?
Determine the magnitude and direction of impulse delivered to the ball by the floor.
The Earth (5.98 x 10^24 kg) and the Moon (7.35 x 10^22) kg are separated by an average distance of 3.84 x 10^8 m
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