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My car engine can deliver a maximum of 112 ft-lbf of torque when running at 3450 rpm. How many horsepower is the engine producing at this same time?
A 20 kg loudspeaker is suspended 2.0m below the ceiling by two cables that are 30 degrees from vertical. what is the tension in the cables
Calculate the expectation value of the potential energy of the H atom with its electrons in the 1s orbital. Compare this with the total energy.
The driver of a 1250 kg car, initially traveling at 11.6 m/s, applies the brakes, bringing the car to rest in a distance of 23.0 m. Find the net work done on the car
Suppose that 2.8 moles of an ideal diatomic gas has a temperature of 1003 K, and that each molecule has a mass 2.32 Ã* 10^-26 kg, What is the internal energy of the gas
A coil with inductance 370 mH is connected in series with a 220 ohm resistor, a 47.0 microF capacitor and a 25.0 V, 60.0 Hz AC source. Find the total impedance in this circuit
Monochromatic light of wavelength 692 nm is incident on a narrow slit. On a screen 2.81 m away, Calculate the angle of diffraction of the second minimum
A wheel rotates with a constant angular acceleration of 4.35 rad/s2. Suppose that the initial angular speed of the wheel is 2.99 rad/s. Elucidate through what angle does the wheel rotate after 2.88 s?
A 2.4kg object is moving along the x-axis at 1.55m/s. As it passes the origin, two forces F1 and F2 are applied, both in the y direction (plus or minus).
An infinitely long uniformly charged cylinder of radius R is shown. (a) Using symmetry arguments, sketch the shape of the electric field of the cylinder. (h) Use Gauss's Law to show that the electric field magnitude within the cylinder is
Unless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2. A student weighing 660N crouches on a scale and suddenly springs vertically upward
A flask is filled with 1.53 L (L = liter) of a liquid at 90.7 °C. When the liquid is cooled to 16.5 °C, find the coefficient of volume expansion of the liquid
To Bounce a ping-pong ball into a cup at the other end of a table, what is the net force of the ball on the table
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