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A 10.0 kg block is released from point A in the figure below. The track is frictionless except for the portion between points B and C, which has a length of 6.00 m. The block travels down the track, hits a spring of force constant 2400 N/m, and compresses the spring to 0.400 m from its equilibrium position before coming to rest momentarily. Determine the coefficient of kinetic friction between the block and the rough surface between B and C.
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In a local bar, a customer slides an empty beer mug down the counter for a refill. What was the direction of the mug's velocity just before it hit the floor
A bartender slides a drink along a bar to a customer seated 3 metres away in the positive x direction. At what initial speed should the bartender send the drink
A nonreflective coating (n = 1.40) covers the glass (n = 1.52) of a camera lens. Assuming that the coating prevents reflection of a specific wavelength (vacuum = 535 nm), find the minimum nonzero thickness that the coating can have.
Two 52.0 x 10-9 C point charges are located on the x axis. One is at x = 0.25 m, and the other at x = - 0.25 m. A third identical charge is placed on the y axis at y = 0.25 m. Discover the magnitude of the force acting on this third charge?
In a certain region, the earth's magnetic field has a magnitude of 4.8 x 10-5 T and is directed north at an angle of 66° below the horizontal. Determine the bullet's electric charge
A proton is released from rest at the positive plate of a parallel-plate capacitor. What will be the final speed of an electron released from rest at the negative plate
A driver measures her "cold" tire gauge pressure to be 2.05 105 Pa. The measurement is made before driving, Find the final temperature in Celsius of the air in the tires
Does an apple tree exert a gravitational force on the earth and if so, how large of a force? Consider and explain this question when the apple is attached to the tree, and when it is falling.
Find the electric energy density between the plates of a 225 µF parallel-plate capacitor. The potential difference between the plates is 310V
A circuit contains a resistor in series with a capacitor, the series combination being connected across the terminals of a battery. Find what would the time constant be if the resistance had a value of 6.6 x 104 ohms
monochromatic light falls on a screen 1.90 m from two slits separated by 2.07 mm. the first- and second-order bright
If two successive overtones of a vibrating string are 270 Hertz and 315 Hertz, Evaluate what the frequency of the fundamental
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