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A string with length L = 0.80 m and linear density µ = 2.5 g/m is under tension F = 4.0 N. The string is fixed at each end and when driven at the frequency of the n = 3 harmonic, a standing wave with amplitude A = 0.50 cm is produced. The standing wave is composed to two component waves y1(x, t) and y2(x, t).
a) Find the amplitudes of the component waves.b) Find the angular frequencies of the component waves.c) Find the wave numbers of the component waves.d) Find the wave speeds of the component waves.e) Find the maximum particle velocity of the component waves.
The filament of an incandescent light bulb typically has a temp of 2,850K. Find lamda max. Is this the wavelength within the visible band? Plot B lamda for this temp, using linear axes.
Consider the lead isotope 207Pb. How many electrons are in a 207Pb neutral atom? How many protons are in a 207Pb neutral atom? How many neutrons are in a 207Pb neutral atom? The lead nucleus has a diameter of 14.2 fm. What is the electric potential..
The plates of a parallel-plate capacitor are 3.00mm apart, and each carries a charge of magnitude 75.0nC. What is the area of each plate
0.110kg stone rests on a frictionless, horizontal surface. A bullet of mass 8.00g , traveling horizontally at 340m/s , Compute the magnitude of the velocity of the stone after it is struck
question1a hunter aims straight at a target on the same level 130 m away.a if the bullet leaves the gun at a speed of
q1. a juggler performs in a room whose ceiling is a height 3.0 m above the level of his hands. he throws a ball upward
How much energy transfer as the reason of a temperature difference was there from the stove into the system consisting of the water plus the pan.
A 4.0 kg mass and a 3.0 kg mass are attached to the opposite ends of a thin 42.0 cm long horizontal rod. determine the kinetic Energy of the system
A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, the turbine experiences a constant angular acceleration of0.190 rad/s2. What is the initial angular velocity of the turbine
A refrigerator is rated at 450 W.(a) What is the maximum amount of heat it can absorb from the food compartment in 1.00 min if the food compartment temperature of the refrigerator is 0.0°C and it releases heat into a room at 22°C?
A spring with an unstrained length of 0.070 m and a spring constant of 2.4 N/m hangs vertically downward from the ceiling. What is the magnitude of the external electric field
A radio antenna broadcasts a 1.0 MHz radio wave with 29 kWof power. Assume that the radiation is emitted uniformly in all directions. (a) What is the wave's intensity 35 km from the antenna? I=___?___W/m^2 (b) What is the electric field amplitude at ..
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