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A cylindrical cocktail glass 15 em high and 35 cm2 in cross section contains water up to the 10-cm mark. A card is placed over the top and held there while the glass is inverted.
When the support for the card is removed, what mass of water must leave the glass in order that the rest of the water will remain in the glass, if one neglects the weight of the card?
An opening of area 0.264 cm2 in an otherwise closed beverage keg is 48.4 cm below the level of the liquid (of density1.05 g/cm3) in the keg. Find the speed of the liquid flowing through the opening
The femur is a bone in the leg whose minimum cross-sectional area is about 4.3 x 10-4 m2. Find the maximum stress that this bone can withstand
Kathy is changing the tire of her car on a steep hill 20.0 m high.She trips and drops the 10.0-kg spare tire, What is the speed of the tire at the top of the next hill
A fixed line charge +λ on the x-axis extends from x = d to x = 2d, and a fixed line charge -λ on the y-axis extends from y = d to y = 2d. Find the work required to bring a test point charge Q from infinity to the origin. Does the answer depend on the..
A horizontal spring, resting on a frictionless tabletop, is stretched 14 centimeter from its unscratched configuration and a 1 kilogram mass is attached to it. Obtain how does its final potential energy compare to its initial potential energy
Suppose a pion is moving at a speed of 0.986c, and an observer who is stationary in a laboratory measures the pion's lifetime to be2.7 × 10-8 s. What is the lifetime according to a hypothetical person who is riding along with the pion
Three identical point charges each of chargeq are located at the vertices of an equilateral triangle as in the figure shown below. The distance from the center of the triangle to each vertex isa. Show that the electric field at the center of the t..
The dimensions of atomic nuclei are of the order of 10^-13m. Suppose that two a-particles (the nucleus of helium, mass of 6.68 x 10^-27 kgm and a charge of 3.2 x 10^-19 coul.) are separated by this distance.
a dipole consists of charges e and -e separated by 0.61 nm. it is in an electric field e 2.9 times 104 nc.a what is
Two blocks are connected by a massless string and are held in position by another massless string along a frictionless incline. Let M1 = 44.0 kg, M2 = 51.0 kg, and theta = 50°. Calculate the tension in the string connecting the two blocks.
During a jump to his partner, an aerialist is to make a triple somersault lasting a time of 1.87 sec. find what must his moment of inertia be during the tuck
During basketball parctice Shane made a jump shot, releasing a0.60-kg basketball from his hands at a height of 2.0-m above thefloor with a speed of 7.6 m/s. How much energy was dissipated by air drag
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