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A violin string is stretched between the nut and the bridge, which are two fixed points on the violin a distance of 0.35 m apart. The fundamental frequency of the string is 440 Hz. What is the fundamental frequency of the string (in Hz) when a violinist puts her finger down on the string causing the vibrating part of the string to be 0.20 m in length?
question a thin-walled metal sphere has a radius of 25 cm and carries a charge of 2.0x10-7 c. find e for a point a
The length of a rectangualr piece of land is 100 ± 1 m and its width is 50 ± 1 m. What is the perimter of the land
A projectile is fired with an initial speed of 65.1 at an angle of 37.6 above the horizontal on a long flat firing range. Determine the maximum height reached by the projectile.
A 400kg baby grand piano is raised to the roof of a 100m building. If the cable breaks as it reaches this height, what will its velocity be the instant prior to impact
If a 350 kg object is moving with constant velocity 22 m/s due east, then what is the magnitude of the net force acting on the object
Find out the force each hand exerts on the shaft when the shaft is rotating in the horizontal plane about its center at 5×10-2 {rm rev/s}.
question an empty rubber balloon has a mass of 0.0109 kg . the balloon is filled with helium at a density of 0.178 kgm3
A circular steel wire 2.00m long must stretch no more than0.25 cm when a tensile force of 400N is applied to each end of the wire. What minimum diameter is required for the wire
Calculate the photon energy for the H(game) line of the Balmer series for hydrogen
The centers of a 11.0kg lead ball and a 150g lead ball are separated by 7.00cm. What gravitational force does each exert on the other
The air temperature is 80.00(F) during a thunderstorm, and thunder was timed 4.63 s after lightning was seen. How many feet away was the lightning strike
A cannon mounted on a cart that moves at a constant velocity v across the floor. How does this relate to point of reference
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