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Two block of mass M = 30 kg and m = 10 kg slide without friction down the sides of a hemispherical bowl. They each start simultaneously from rest at the lip of the bowl, a height h = 6.0 m above the bottom of the bowl. (You may assume that the size of the blocks is small compared to h.)(There is gravity in this problem. You may take g = 10 m/s^2.) a) If the collision is perfectly inelastic (they stick together), what is the maximum height that the stuck-together blocks will reach? b) If the collision between the blocks is elastic, what is the maximum height that the 10 kg block will reach
During 6 successive intervals a runner moves at the following constant speeds: .326 km/min for 30 seconds, .123 km/min for 23 seconds, Compute the average speed of the runner
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 the height of 4.0 m.
A laser emits a light beam with a power of 5 mW. How many photons per second does this laser emit
You wish to design a telescope using an objective lens with f(objecive) = 0.75 m. If you use an eyepiece with a magnification of 20, what is the length of the telescope
You have a 250-? resistor and a 0.400-H inductor. Suppose you take the resistor and inductor and make a series circuit with a voltage source that has a voltage amplitude of 28.0V, What is the voltage amplitude across the resistor
a point charge q = +87.1 micro coulombs is held fixed at the origin. A second charge, with mass m = 0.0576 kg and charge q = +3.5 micro coulombs, Find the electric potential energy of the system of charges
An automobile starter motor has an equivalent resistance of 0.0470 and is supplied by a 12.0 V battery with a 0.0120 internal resistance. What is the current to the motor
In 1915, Henry Sincosky of Philadelphia suspended himself from a rafter by gripping the rafter with the thumb of each hand on one side and the fingers on the opposite side. Sincosky’s mass was 79 kg. If the coefficient of static friction between hand..
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 80.4°. What is the underwater angle of refraction for the red component of the light?
A 12.0-g piece of Styrofoam carries a net charge of -0.746 µC and is suspended in equilibrium above the center of a large, What is the charge per unit area on the plastic sheet
A camera flash delivers 3.5kW of light power for 1.9ms, Find the total momentum carried by the flash p
a skier starts from rest at the top of a hill inclined at 10.5 degrees. The hill is 200m long and the coefficient of friction is .075. How far does she slide before coming to a rest
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