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A 8.4 centimeter diameter, 408 gram sphere is released from rest at the top of a 3.3 meter long, 25° incline. It rolls, without slipping, to the bottom.
(a) Find the sphere angular velocity at the bottom of the incline?
(b) Find what fraction of its kinetic energy is translational?
A block of mass 0.570 kg is pushed against a horizontal spring of negligible mass until the spring is compressed a distance x. The force constant of the spring is 450 N/m.
A speaker generating a tone at 285 Hz is moving towards a stationary observer with a speed of 35 m/s
While painting the top of an antenna 206 m in height, a worker accidentally lets a 1.30-L water bottle fall from his lunchbox. The bottle lands in some bushes at ground level and does not break. If a quantity of heat equal to the magnitude of the cha..
A satellite is in a circular orbit very close to the surface of a spherical planet. What is density (mass/volume) of the planet
A computer disk is 8.0 cm in diameter. A reference dot on the edge of the disk is initially located at theta=45 degrees. The disk accelerates steadily for 0.50 s, reaching 2000 rpm, after those coasts at steady angular velocity for another 0.50 s.
liquid helium has a temperature of only 4.24 k and is in equilibrium with its vapor at atmospheric pressure. calculate
Light of wavelength 646 nm from a distant source is incident on a slit 0.760 mm wide, and the resulting diffraction pattern is observed on a screen 3.60 m away. What is the distance between the two dark fringes
Three charges are positioned on a line. Q1= -2uC, Q2= +5uC, Q3= +3uC. The distance between Q1 and Q2 is a=0.25m. Find the direction of the electric force acting on the charge
Two converging lenses are separated by 23.20 centimeter. The focal length of each lens is 12.20 centimeter. Find the final image distance relative to the lens on the right
A large arm model was constructed with a free arm which weights 1 kg, an additional weight of 1 kg is supported by the arm at a distance of 12 cm from the pivot. What is the total torque of the resistance
Light in a transparent material (index of refraction 1.333) strikes the boundary with another transparent material (n = 1.010). compute the critical angle for total internal reflection
In a tungsten atom, what is the kinetic energy of an L-shell electron ejected by a photon that was created during the M-K shell transition of the atom?
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