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A violin string has a length of 0.350m and is tuned to concertG, with fg=392 Hz. Where must the violinst place her finger to playconcert A, with fa=440 Hz? If this position is to remain correct toone-half the width of a finger (that is, to within 0.600 cm), what is the maximum allowable percentage change in the stringtension?
Only two horizontal forces act on a 6.3 kg body. One force is 6.0 N, acting due east, and the other is 8.3 N, What is the magnitude of the body's acceleration?
A capacitor is connected across the terminals of an ac generator that has a frenquency of 440 Hz and supplies a voltage of 25 V. Find the capacitance of the second capacitor
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -1.0799 N when separated by 50 cm, center-to-center. What were the initial charges on the spheres
The magnetic field produced by an MRI solenoid 2.2m long and 1.5m in diameter is 2.2T. Find the magnitude of the magnetic flux through the core
A golf club strikes a 0.045-kg golf ball in order to launch it from the tee. find With what speed does the ball leave the club
1 kilograms of water are changed from liquid water at 100°C into steam at 100°C. For each situation, determine the change in mass of the water
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of water. It takes a time of 2.30s for the boat to travel from its highest point to its lowest, a total distance of 0...
Find out an effective coefficient of kinetic friction
On a frictionless horizontal air table, puck A (with mass 0.246 ) is moving toward puck B (with mass 0.370 ), which is initially at rest. What was the speed of puck A before the collision
Determine the wave's amplitude. Determine the wave's wavelength. Determine the wave's frequency. Determine the wave's speed of propagation. Determine the wave's direction of propagation.
A 1.08 kg mass is at the center of a uniform spherical shell of mass 1.05 1020 kg and radius 1.11 106 m. Find the resultant gravitational force on the mass
A soccer ball is kicked with an initial horizontal velocity of 15.0 m/s and an initial vertical velocity of 14.0 m/s. What is the maximum height the ball goes above the ground
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