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Each of the sources in the drawing emits a frequency of 4.57 multiplied by 1014 Hz, and the speed v is 2.50 106 m/s.
(a) Calculate the observed frequency fo in situation A. fo =? Unit?
(b) Calculate the observed frequency fo in situation B. fo =? Unit?
(c) Calculate the observed frequency fo in situation C. fo =?Unit?
Two blocks, one of 50 g and the other of 46 g, are connected by a string and hung over a frictionless pulley which has a radius of 5 cm. What is the moment of inertia of the pulley
A diatomic gas does 320 J of work and also absorbs 600 cal of heat. What is the change in internal energy of the gas?
Imagine that a certain bugle plays in C, so that the pitches in "Taps" are low G (196 Hz), middle C (261 Hz), E (329 Hz), and G (392 Hz). How long would this bugle be if uncoiled
A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 150 cm, Find the magnitude and direction of the second displacement
The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply upward at the end, What is the skier's launch speed
A wave has the following properties: amplitude = 0.208 m, period = 0.687 s, wave speed = 13.7 m/s. The wave is traveling in the -x direction
observations of a certain galaxy show that stars at a distance of 16 pc from the center of the galaxy orbit a central
A model rocket engine has an average thrust of 5.26 N. It has an initial mass of 25.8 g, which includes fuel mass of 13.2 g. What is the average exhaust speed of the engine
A simple harmonic oscillator has an amplitude of 5cm, a spring constant of 5.0N/m, and a maximum speed of 10 m/s. What is the speed when it reaches half of the amplitude
q1. calculate the threshold wavelength in nm of a metal if that metal emits an electron with a kinetic energy of 6.32
A person with perfect pitch sits on a bus bench listening to the 441-Hz horn of an approaching car. If the person detects a frequency of 479 -Hz, how fast is the car moving.
Two farmers are standing on opposite sides of a very large empty field that is 520.6 m across. What is the temperature of the air
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