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At a temperature of 24.60°C the hole in a steel plate has a diameter of 1.055 cm. If a steel rod with a diameter of 1.063 cm has to just slip through this hole, to what temperature should the plate be heated? The coefficient of area expansion of steel is 24 ? 10-6/°C.
An object is placed 30 cm from a converging lens forms an image 40 cm from the lens. is the image which is formed real or virtual
when the cylinder reaches the bottom of the ramp what is its total kinetic energy?when the cylinder reaches the bottom
In an electric shaver, the blade moves back and forth over a distance of 2.0 mm in simple harmonic motion, with frequency 122 Hz. find the magnitude of the maximum blade acceleration
Resistors of 5, 10, 20 ohms are connected in series to a 10 Volt battery. Evaluate what the current through the 20 ohm resistor
A beam of light is polarized in the horizontal direction and has an intensity I. It then passes through a polarizer oriented at an angle of 39 degrees from the horizontal direction. What fraction of the original intensity I pass through this polarize..
A cylindrical disk has volume 8.98*10 -3 m 3 and mass 7.98 kg. The disk is floating on the surface of some water with its flat surfaces horizontal. The area of all flat surface is 0.636 m2. What is the specific gravity of the disk?
A solid sphere is rolling on a surface. What fraction of its total kinetic energy is in the form of rotational kinetic energy about the center of mass?
An x-ray photon with wavelength 5.0 pm collides with a free electron initially at rest. find the maximum possible kinetic energy acquired by the electron
In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 6.6 m/s in 2.91 s. determine the distance he runs
a golf ball is released from rest from the top of a very tall building. neglecting air resistance calculatea the
A hollow cylinder of radius and height has a total charge uniformly distributed over its surface. The axis of the cylinder coincides with the z axis, and cylinder is centered at the origin.
A 2.5 kilogram solid sphere (radius = 0.10 meter) is released from rest at the top of a ramp and allowed to roll without slipping. Evaluate its transitional kinetic energy
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