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A skier moving at 20 m/s down a 30.0 degree slope encounters a region of wet snow, with a coefficient of friction u= .740. How far down the slop does he go before stopping?
At what angle must the cannon be fired
A 990 g block oscillates on the end of a spring whose force constant is k = 66 N/m. What is the fractional decrease in amplitude per cycle
You are standing in the very center of a deep, flat-bottomed valley, and shout "Hello!" If the speed of sound is 343 m/s, how wide is the valley
Imagine that we drop a block of mass m from a height h above the comparatively lightweight plate supported by a vertical spring with relaxed length L and spring constant k. From what value of h would we have to drop the block to compress spring to..
Three electrons are located at the vertices of an equilateral triangle, one at each vertex. What is the magnitude of the initial acceleration of each electron
A sled slides down a hill 45 meters high with a slope of 25o. The total mass of the sled plus contents is 247 kg. find the velocity of the sled at the bottom
If 1.00 mol of oxygen is heated at constant pressure of 1.00 atm from 10.0°C to 25.0°C. How much heat is absorbed by the gas
A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a 53.0-gram mass is attached at the 27.0-cm mark, What is the mass of the meter stick
Suppose that when a certain sound intensity level (in dB) triples, the sound intensity (in W/m2) quadruples. Determine this sound intensity level
In the quark model of fundamental particles, a proton is composed of three quarks: two "up" quarks, each having charge +2e/3, and one "down" quark, having charge -e/3. Suppose that the three quarks are equidistant from one another. Take the distance ..
Let an initial velocity of a flywheel be 20 rad/s and let it be slowing at 4.0 rad/s. How many radians will it pass through before it stops
Explain how does a magnitude of the electrical force between a pair of charged particles change when they are brought to half their original distance of seperation?
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