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A sinusoidal wave of wavelength 1.500m and amplitude 0.2m travels on a string with a speed of 3m/s to the left. at t=0, the piece of string at x=0 has a displacement of zero and is moving downwards. find the wave function of the wave.
an m 6.70-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 ms and shatters
A rectangular loop consists of N = 100 closely wrapped turns and dimensions a = 0.4m and b= 0.3m. What is the expected direction of rotation of the loop
Determine what fraction of a sample of carbon-14 is left after 21487.5 yr. (The half-life of carbon-12 is 5730 yr.)
A fan is rotating at a rate of 710 rpm. When the motor is turned off, the blades slow to rest in 3.5 s. What is the angular acceleration of the blades as they slow down
A Carnot engine uses a steam boiler at 100°C as the high-temperature reservoir. Determine the useful power output of the heat engine
1. at a typical drift speed of 510-5 ms it takes an electron about 100 minutes to travel through one of your connecting
The ratio of specific heat is 7/5 for air. If we expand one mole of air initially at 300 K to a final volume twice the initial volume without heat exchange, What is the final temperature
A paper filled, parallel plate capacitor has a charge of 12uC and a potential dissimilarity of 24V across the plates. What is the capacitance C?
a moth at about eye level is 12 cm in front of a plane mirror you are behind the moth 34 cm from the mirror. what is
Light visible to humans consists of electromagnetic waves with wavelengths (in air) in the range 400-700 nm (4.0 10-7 m to 7.0 10-7 m). find the frequencies of electromagnetic waves that are visible
Two point particles of charge Q1 = 48 µC and Q2 = 86 µC are found to have a potential energy of 41 J. What is the distance between the charges
It takes an elevator 3.1 minutes to raise a vehicle with a mass of 420 kg from the floor to a height of 8 meters. What size (power) motor (in watts) does it take to do the job? Hint: this is a multiple step problem in which you must derive the varia..
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