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A flywheel rotates with an angular speed of 27rev/s . As it is brought to rest with a constant acceleration, it turns 53rev .
What is the magnitude of the angular acceleration?
How much time does it take to stop?
A vertical cylinder 6 ft tall and 1 ft in diameter might be used to approximate a man for heat-transfer purposes, Calculate the heat lost from the cylinder
The electric field strength is 5*10^4 N/C inside a parallel-plate capacitor with a2.2mm spacing, What is the proton's speed when it reaches the negative plate
A harmonic wave in a wire has amplitude 7.07 mm, wavelength 2.61 m, and frequency 254 Hz. What is the propagation speed of the wave
Two protons (each with rest mass M=1.67×10?27kg) are initially moving with equal speeds in opposite directions. What is the kinetic energy of each proton
What is the greatest possible distance from the wall
A hot dog cooker heats hot dogs by connecting them to 120 V household electricity. A typical hot dog has a mass of 50g and a resistance of 130ohm . How long will it take for the cooker to raise the temperature of the hot dog from 20c to 80c ? The ..
Estimate the volume of your body. (Consider your body to be a cylinder having a radius of about 6 inches (or 0.15 m) and a height of about 1.5 meters
A cigarette lighter in a car is a resistor that, when activated, is connected across the 12-V battery. Suppose a lighter dissipates 32 W of power. find the resistance of the lighter
A glass plate (n=1.62) is coated with a thin, transparent film (n=1.27). Light reflected at normal incidence is observed as the wavelength is varied continuously. Find the thickness of the film
A gas-turbine power plant operates on a simple Brayton cycle with air as the working fluid. determine the net power output of the plant
What is the maximum height, y2, if the object is thrown with a speed of v2 = 1.99v1 from the surface of Jupiter's moon Io? The acceleration due to gravity on Io is g2 = 1.79 m/s2. Give the reply as a multiple of y1.
An air-track glider attached to a spring oscillates with a period of 1.50s . At t=0s the glider is 5.20cm left of the equilibrium position, calculate the phase constant
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