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Calculate the wavelength of matter waves associated with a bullet of 20.0 grams fired at 100. meters per second.x 10 m.Calculate the wavelength of matter waves associated with an electron (mass = 9.10 · 10-31kg) traveling at one-hundredth the speed of light.
An AC power generator produces 50 A (rms) at 3600 V. The voltage is stepped up to 100 000 V by an ideal transformer and the energy transmitted throughout a long-distance power line with a total resistance of 100 Omega. What is the rms current in l..
The howler monkey is the loudest land animal and can be heard upto a distance of 2.5 km. The acoustic power emitted by the howler, in mW is
What is the formula for the acceleration a of the cart in terms of the cart's mass M, the hanger's mass m, and the acceleration of gravity g?
An outfielder throws a 0.150 kg baseball at a speed of 39.6m/s and an initial angle of 34° What is the kinetic energy of the baseball at the highest point of its trajectory.
Two cars B and C approach car A in opp directions with a speed of 54 km/h each. At a certain instant, when the distance AB is equal to AC, both being 1km, B decides to overtake A before C does.
A 48.9 g ball of copper has a net charge of 3.0 µC. What fraction of the copper's electrons have been removed
A uniform horizontal rod of mass (M) and length (l) rotates with angular velocity (omega) about a vertical axis through its center. Determine the angular momentum of the system about the axis
questiona sledge loaded with bricks has a total mass of 17.3 kg and is pulled at constant speed by a rope inclined at
a car traveling due east at 20 m/s reverses its direction over a period of 10 seconds so that it is traveling due west at 20 m/s. What is the direction of the car's average acceleration over this period?
A cord is used to lower verically a block of mass M a distance d at a constand downward acceleration of g/4. Find the work done by the cord on the block
Suppose that the spring is ideal and that the distance by which the spring is compressed is negligible compared to H.
The ground state total energy, total entropy, and temperature are 5.00 Btu, 0.11690 Btu/R, and 50.0°F, respectively. If the total entropy of the cell must be ten times its ground state value,
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