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An 8.70 kilogram block slides with an initial speed of 1.56 m/s up a ramp inclined at an angle of 28.4o with the horizontal. The coefficient of kinetic friction between the ramp and the block is 0.62. Use energy conservation to obtain the distance the block slides before coming to rest.
A high-voltage transmission line with a resistance of 0.30 /km carries a current of 1050 A, What is the power loss due to resistance in the line
Harold the Hurler is a physics student who is renowned for his baseball pitching arm. How much work does Harold perform on the baseball
you take some data with nichrome wire and you have a plot of r vs. la-1 with the following equation from your computer
uring July 1994 the comet Shoemaker-Levy 9 smashed into Jupiter in a spectacular fashion. determine what would have been the change (magnitude only) in Jupiter's orbital speed (not its final speed)
an alpha particle the nucleus of a helium atom has a mass of 6.64 multiplied by 10-27 kg and a charge of 2e. what are
question1a 55-kg gymnast hangs vertically from a pair of parallel rings.a if ropes supporting the rings are attached to
A 28.0 {rm kg} child plays on a swing having support ropes that are 2.20 {rm m} long. A friend pulls her back until the ropes are 45.0^circ from the vertical and releases her from rest.
A magnifying glass uses a converging lens with a focal length of 15.5 cm. It produces a virtual and upright image that is 3.3 times larger than the object. How far is the object from the lens
the current in an incandescent lamp is 0.5a when connected to a 120-v circuit and 0.2 a when connected to a 10-v
A freely falling object requires 1.20s to travel the last 33.0 m before ithits the ground. From what height above the ground did it fall
The magnetic field at the center of a 0.900-cm-diameter loop is 2.70mT . A. What is the current in the loop? B. A long straight wire carries the same current you found in part a. At what distance from the wire is the magnetic field 2.70mT ?
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. What is the radius of a chamber
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