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What is the diameter of a copper sphere that has the same mass as a 2.00 cm x 2.00cm x 2.00 cm cube of aluminum?
A converging lens with a diameter of 26.00 cm forms an image of a satellite passing overhead. The satellite has two green lights (wavelength 500 nm) spaced 1.24 m apart.
If the ball is released from rest at a height of 0.78m above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? suppose the ball is a solid sphere of radius 2.3cm and mass 0.14k..
Find out the resulting values of the processional rate
What mass (in grams) of steam at 100°C must be mixed with 377 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 58.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, ..
A bead with a mass of 0.02 g and a charge of 20nC is free to slide on a vertical rod. At base of the rod is a fixed 20nC charge.
A cylindrical container 1.60 {rm m} tall contains mercury to a certain depth, d. The rest of the cylinder is filled with water.
The loaded cab of an elevator has a mass of 3.0 x10^3 kg and moves 157m up the shaft in 23s at constant speed. At what average rate does force from the cable do work on the cab.
A uniform plank of length 5.0 m and weight 211 N rests horizontally on two supports, with d = 1.17 m of the plank hanging over the right support. To what distance, x, could a person who weighs 412 N walk on the overhanging part of the plank before..
An 8g bullet is fired at a speed of 216 m/s into a 190 g block that is initially at rest at the edge of a table of 1m height. The bullet fully embeds itself in the block before the bullet-block system launches off the table. How far in the x-direc..
A sealed cubical container 17cm on a side contains three times Avogadro's number of molecules at a temperature of 16°C. Find out the force exerted by the gas on one of the walls of the container.
A 1500-kg car moving east at 28.00m/s collides with a 1720 kg car moving south at 15 m/s and the two cars stick together.
A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back covers of the book are vertical to the book and are horizontal.
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