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The mass of a string is 3.0×10-3kg, and it is stretched so that the tension in it is 200N. A transverse wave traveling on this string has a frequency of 260Hz and a wavelength of 0.60m. What is the length of the string?
A platinum wire is used to determine the melting point of indium.The resistance of the platinum wire is 2.000 Ω at 20 degrees Celsius and increasesto 3.072 Ω as indium starts to melt. What is the melting point of indium?
In the figure, a long straight wire carries a current I1 = 42.1 A and a rectangular loop carries current I2 = 16.2 A. Take a = 1.43 cm, b = 9.67 cm, and L = 40.5 cm. What is the magnitude of the net force on the loop due to i1?
at what frequency would the wavelength of sound in air be equal to the mean free path of oxygen molecules at 1.03 atm
your observing system centered on the equator in the eastern tropic pacific detects what you believe to be the passage
An unknown gas in a piston-cylinder device undergoes a three step process to complete a thermodynamic cycle. The first process is an isochoric process where 31.6 kJ of energy is added to the 37 L of the gas. Next, the gas is expanded isothermally unt..
Three identical point charges each of chargeq are located at the vertices of an equilateral triangle as in the figure shown below. The distance from the center of the triangle to each vertex isa. Show that the electric field at the center of the t..
Two metal balls are hung from strings. The first ball, 0.09 kg, is pulled to the side and released so that it strikes the second ball with a speed of 1.62 m/s. What is the mass of the second ball
Name some recent educational innovations and evaluate their effectiveness. Do you think that schools would be more effective if they did not have comply with bureaucratic redtape? For example, if schools did not need approval to purchase the lates..
A cylindrical storage tank has a radius of 1.22 m. When filled to a height of 3.71 m, it holda 14 300 kg of a liquid industrial solvent.
1.4m/s is a typical walking speed. At what temperature would nitrogen molecules have an rms speed of 1.4 m/s
A 1.01 kilogram rolling hoop with a radius of 10 centimeter rolls without slipping. evaluate the translational kinetic energy, rotational kinetic energy, and the total kinetic energy of the rolling hoop
A 2.0kg solid cylinder (radius = 0.10m , length = 0.70m ) is released from rest at the top of a ramp and allowed to roll without slipping. When the cylinder reaches the bottom of the ramp, what is its total kinetic energy
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