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If 3.25 X 10^-3 kg of gold is deposited on the negative electrode of an electrolytic cell in a period of 2.78 hours, what is the current in the cell during the period?
Assume the gold ions carry one elementary unit of positive charge.
A block of wood of mass 0.938 kg is initially at rest. A bullet of mass 0.0492 kg traveling at 107 m/s strikes the block and becomes embedded in it. With what speed do the block of wood
A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates an unbanked curve in the road. how fast can the truck be moving without the crate sliding
A light bulb is placed 14.2 cm in front of a concave mirror. When the concave mirror is replaced by a plane mirror in the same location, Calculate the focal length of the concave mirror
a bowling ball mass7.2kg radius0.11m and a billiard ball mass0.38kg radius0.028m may each be treated as uniform
Consider water vapor, H2O, at 26 °C. What percentage of water vapor molecules have a speed within 1 m/s of the most probable speed
A steel cable with total length 20m and mass 100kg is connected to two poles. The tension in the cable is 2,000N, and the wind makes the cable vibrate with a frequency of 2Hz. Calculate the wavelength of the resulting wave on the cable.
A fisherman standing on the edge of a pier hooks a fish on the surface of the water, and reels in the fishing line at a constant 0.50m/s. If the fisherman's fishing rod is a height of 3.0 m above the water, at what speed is the fish moving (horizonta..
The coefficient of static friction between a rope and the table on which it rests is us (mew sub s). Find the fraction of the rope that can hang over the edge of the gable before it begins to slip
An iron anchor of density 7870 kg/m^3 appears 200 N lighter in water than in air. What is the volume of the anchor
Visible light passes through a diffraction grating that has 900 slits per centimeter, What is the difference between these wavelengths
Suppose that white light is reflected from a thin soap film. what color will the film appear to be when viewed in reflected light
A rock is thrown upward from the level ground in such a way that the maximum height of its flight is equal to its horizontal range R. At what angle is the rock thrown
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