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A man drags a 76-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 25° above the horizontal, and the strap is inclined 61° above the horizontal. The center of gravity of the crate coincides with its geometrical center, as indicated in the figure. Discover the magnitude of the tension in the strap.
A container is filled to a depth of 19.0 cm with water. On top of the water floats a 32.0-cm-thick layer of oil with specific gravity0.600
two large parallel metal plates are 2.5 cm apart and have charges of equal magnitudes but opposite signs on their
multiple-Concept Example 11 deals with a situation that is similar, but not identical, to that here. When 4710 J of heat are added to a 0.261-m-long silver bar, What is the mass of the bar
You are to design a rotating cylindrical axle to lift 800 N buckets of cement from the ground to a rooftop 78.0 m above the ground. what should the angular acceleration of the axle be
The Voyager I spacecraft moves through interstellar space with a speed of 7400m/s. Assuming that the 5.6-m long antenna on the spacecraft is at right angles to the magnetic field, find the induced emf between its ends
A current of 17.0 mA passes through a circular cable of 2.0m of circumference. A magnetic field of 0.8T passes parallel to the plane of the "loop". calculate what is the magnetic moment of the loop
Monochromatic x rays are incident on a crystal for which the spacing of the atomic planes is 0.442. What is the wavelength of the x rays
A pendulum clock has a period of 0.683 s on Earth. It is taken to another planet and found to have a period of 0.828 s, Find the gravitational field strength on the other planet.
A 1.2 kg block is held at rest against a spring with a forceconstant k=730 N/m. Intially the spring is compressed a distanced. When the block is released, it slides across a surfacethat is frictionless except for a rough patch of width 5.0 cm that..
An unknown material has a normal melting/freezing point of -20.6 °C, and the liquid phase has a specific heat capacity of 143 J/(kg C°). What is the latent heat of fusion of the unknown material
A 1750-kg car is traveling with a speed of15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 55.5 m?
Yoy are presented with a coaxial cable of length L. The inner core has a uniform charge distrubution throughout its radius, Find the Electrostatic Potential in all radial regions
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