Determine the magnitude of the friction force
A grinding wheel of radius 0.350m rotating on a frictionless axle is brought to rest by applying a constant frictionforce tangential to its rim. The constant torque produced by this force is 76.0 N-m. Find the magnitude of the friction force.
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Find the location of the image. (Enter in cm. Use a negative number if the image is behind the mirror)
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A radio receiver can dedect signals with electric field amplitudes as small as 250w/m^2. what is the intensity of the smallest detectable signal?
A vented tank of large cross-sectional area has a horizontal pipe .12m in diameter at the bottom. The tank holds a liquid whose density is 1500 kg/m^3 to a height of 4.0m. The velocity of the liquid in the pipe at point B holds a column of liquid
A converging lens with a diameter of 26.0 cm forms an image of a satellite passing overhead. The satellite has two green lights (wavelength 500 nm) spaced 1.24 m apart. If the lights can just be resolved according to the Rayleigh criterion, what i
Find the rms speed of H2, helium atoms, and N2 at room temperature. Compare these to the escape speed from the earth.
Ignoring the container and the equilibrium vapor pressure of the liquid at 52.0 °C, find the ratio of the mass of steam to the mass of ice. The specific heat capacity of steam is 2020 J/(kg C°).
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