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The G string on a violin has a fundamental frequency of 196 Hertz. It is 33 centimeter long and has a mass of 0.500 gram. While this string is sounding, a nearby violinist effectively shortens the G string on her identical violin (by sliding her finger down the sting) until a beat frequency of 1.50 Hertz is heard between the two strings. When this occurs, calculate the effective length of her string?
_______cm
q. after driving a portion of the route the taptap is fully loaded with a total of 25 people with an average mass of 60
Suppose you walk into a sauna that has an ambient temperature of 50.0 C. Calculate the rate of heat transfer to you by radiation given your skin temperature is 37.0 C
A car starts from rest and accelerates at a constant rate of 3.00 m/s^2 until it is moving at 18.0 m/s. The car then decreases its acceleration to 0.500 m/s^2 and continues moving for an additional 250 m. Find the total time taken.
A 300 kg elevator is being pulled upwards by a steel cable at a constant velocity. What is the net force on the elevator
Determine the force required to push a 1000kg stoneblock up the side of the pyramid along a ramp. The ramp has anangle of 40 degrees and a coefficient of friction of 0.1 (thisrepresents a relatively slippery surface because you sprinkled lots of ..
The efficiency of a Carnot engine is 29%. The engine absorbs 815 J of energy per cycle by heat from a hot reservoir at 502 K. Determine the energy expelled per cycle
find the electric field outside a uniformly charged hollow cylindrical shell with radius r and charge density sigma an
Two charged dust particles exert a force of 4.20 x 10^-2 N on each other. What would be the force if they are moved so they are only one-eight as far apart.
A snowboarder of mass 86 kg travels down the slope of height 150 m, what is the work done on her by friction
Physicians use a high-frequency (f = 1-5 MHz) sound waves,called ultrasound, to image internal organs. What is the critical agle for sound waves in air incident on muscle
an airplane flies 120 km at a constant altitude in a direction 30.0deg north of east. a wind is blowing that results in
How fast must the car be travelling just as it leaves the cliff in order to clear the river and land safely on the opposite side.
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