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A 8cm radius disk with a rotational inertia of .12kgm^2 is free to rotate on a horizontal axis. A string is fastened to the surface of the disk and a 10kg mass hangs from the other end. The mass is raised by using a crank to apply a 9Nm torque to the disk. Find the acceleration of the mass.
A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 3.6 µF, 11.1 µF, and 32.5 µF. Find the voltage across the 32.5-µF capacitor
As a result of the friction between their surfaces, after a while, both disks spin at the similar angular speed. Determine the work done by the frictional torque.
imagine that you want to shoot an apple hanging in a branch with an arrow. you aim the arrow and at the exact time you
The projection lens in a certain slide projector is a single thin lens. A slide 23.9 mm high is to be projected so that its image fills a screen 1.84 m high. Determine the focal length of the projection lens
Two equal, but oppositely charged particles are attracted to each other electrically. evaluate the magnitude of the charges
Two blocks with masses 500g and 510 g are connected to a rope and hung over a 50g cylinder with a radius of 4 cm. What is the rotational inertia of the cylinder
A student (m = 63kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.040 s. From what height did the student fall
A 5.00 X 10-2 kg mass with a charge of +0.75 mC is hung by a thin insulated thread. A charge of -0.9 mC is held 0.15 meters directly to right so that the thread makes an angle q with the vertical. What is the angle q and the tension in the string.
A figure skater performs a triple twisting jump. She rotates around her vertical axis three times while she was in the air find the figure skaters average angular speed
a constant force is applied to an object that causes a certain displacement. if the angle between the force and the displacement is 135 degrees, the work done by the force is
The two vectors and in the figure below have equal magnitudes of 11.0 m and their angles are ?1 = 30° and ?2 = 95°. Find the angle makes with the positive x axis
The small spherical planet called "Glob" has a mass of 7.28 x 10^18 kg and a radius of 6.26 x 10^4 m. What was the initial speed of the rock
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