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Andrea thinks she's sitting at rest in her 5.0-m-long dorm room as she does her physics homework.
Can Andrea be sure she's at rest? If not, within what range is her velocity likely to be?
A bucket of water is whirled in a vertical circle of radius 90cm,What is the least speed that will keep the water from falling out.
A diffraction grating has 3283 lines/cm. Light that contains all wavelengths between 480 and 659 nm shines on the grating
A population of 500,000 around a nuclear facility receives an average wholebody dose of 0.5 rad as a result of an accidental release of radionuclides. Estimate the collective gonad dose received
A thin, square, conducting plate 45.0-cm on a side lies in the xy plane. A total charge of 0.0680 is placed on the plate. determine the charge density on the plate
A 55-kg mass ice skater standing stationary on very slipper ice (negligible friction) throws a 0.45 kg baseball with a speed of 27 m/s in the horizonatal direction
Draw a cube and Cartesian axes. All points of the cube lie in the (+,+,+) octant of the coordiante system. One vertex of the cube is at (0,0,0), the point called O.
A 51kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 250N. For the first 10.5m the floor is frictionless, and for the next 10.5m the coefficient of friction is 0.18. What is the final speed of the crate af..
A force with a magnitude of 25 N and directed at an angle of 37° above the horizontal is used to move a 10-kg crate along a horizontal surface at constant velocity
A stunt man drives a car at a speed of 20m/s off a 30-m-high cliff, How far from the base of the cliff does the car land and What is the car's impact speed
In a phyiscs lab experiment, a coil with 200 turns enclosing an area of 13.7cm2 is rotated during the time interval 3.7E-2 from a position, What is the magnitude of the total magnetic flux
Sand dunes on a desert island move as sand is swept up the windward side to settle in the leeward side, Calculate the average speed in each case in m/s
A conveyor belt at a quarry lifts 2,000 kg of sand per minute up a vertical distance of 12 meters. The sand is at first at rest, then moves at a speed of 0.20 m/s along conveyor belt. What is the instantaneous power generated by this machine .
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