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A standing wave is established in a 85 cm long string fixed at both ends. The string vibrates in four segments when driven at 190 Hz.
a) Decide the wavelength.
b) What is the fundamental frequency of the string?
bonnie and clyde are sliding 390 kg bank safe across the floor to their getaway car. the safe slides with a constant
q1. an electrical generating plant operates at the boiler temperature of and exhausts the unused heat into a nearby
Estimate the phase difference between the sounds received by your ears when you are facing 90° away from the direction of the source
A bowling ball (mass = 7.2 kg, radius = 0.12 m) and a billiard ball (mass = 0.45 kg, radius = 0.028 m) may each be treated as uniform spheres
an object located at the origin and having a mass M explodes into three pieces having masses M/4, M/3, and 5M/12. what are the velocity components of the third piece
question at a certain point during the reaction the h2 0.15 n2 0.10 and nh3 0.020. has the reaction reached
Calculate the de Broglie wavelength for an alpha particle (He-e nucleus) with energy E = 4.2 GeV (which is emitted in the radioactive decay of U-238)
A crate is sliding down a ramp that is inclined at an angle of38.0o above the horizontal. Find the acceleration of the moving crate
A car slams on its brakes and skids 50m before coming to a stop. If the coefficient of kinetic friction is 0.65 how fast was the car initially going
What is magnitude of the speed of the boat relative to a stationary shore observer. A person stands at a point that is 4 m from one of the speakers and 4.4 m from the other. Does the person hear the tone? Explain.
A wire has a resistance of 27.4 Ω. It is melted down, andfrom the same volume of metal a new wire is made that is 3 timeslonger than the original wire. What is the resistance of the newwire?
A converging lens has a focal length of f = 43 cm for blue light and f = 53 cm for red light. An object is placed 140 cm in front of the lens and is illuminated with white light. How far apart are the two images
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