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A 3.0 kg block slides along a frictionlesshorizontal surface with a speed of 7.0 m/s. After sliding adistance of 3.0 m, the block makes asmooth transition to a frictionless ramp inclined at an angle of40° to the horizontal. How far up the ramp does the block slidebefore coming momentarily to rest?
A rope of negligible mass is wrapped around a 225 kg solid cylinder of radius 0.40 m. The cylinder is suspended some meters off the ground with its axis oriented horizontally, and turns on that axis without friction.
The loaded cab of an elevator has a mass of 3000kg and moves 216-m up the shaft in 23s at constant speed. At what average rate does the force from the cable do work on cab.
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.53x1011 m apart. What is the mass of the smaller star
The normal airflow over the Rocky Mountains is west to east. The air loses much of its moisture content and is chilled as it climbs the western side of the mountains. What is its temperature at the end of the descent
A proton moves eastward in the plane of Earth's 5x10^-5 T magnetic equator so that its distance from the ground is constant. What is the speed of the proton?
You apply a potential difference of 4.50 V between the ends of a wire that is 2.50 m in length and 0.654 mm in radius. What is the resistivity of the wire
Find the gage pressure at the center of pipe A in pounds per square inch and in kilopascals.
A candle 4.30 cm tall is 39.1 cm to the left of a plane mirror. Where is the image formed by the mirror
Two ambulances move toward each other on a straight road. Each travels at a speed of 65 mph. The siren on each ambulance produces a sound wave of frequency 460 Hz. (Take the speed of sound in air to be 340 m/s.)
A man holds a pail of water by the handle and whirls it around avertical circle of radius 0.84 m at constant speed. What is theminimum speed that the pail must have at the top of its circularmotion if the water is not to spill out of the upside-downp..
A 41.0 mA current is carried by a uniformly wound air-core solenoid with 455 turns, a 10.0 mm diameter, and 13.0 cm length. Compute the magnetic field inside the solenoid
two plates of radius R are separated by a distance 2h.the top plate rotates with velocity w. find the velocity as a function of radius r and and height z
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