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A ball is dropped from the top of a 48.0 meter high cliff. At the same time, a carefully aimed stone is thrown straight up from the bottom of the cliff with a speed of 20.0 meter per second. The stone and ball collide part way up. Obtain how far from the base did this happen?
A beam of visible light has a wavelength of 513 nm and shines perpendicularly on a surface. As a result, there are 4.2 x 1018 photons per second striking the surface. By using the impulse-momentum theorem (Section 7.1), get the average force that thi..
An alpha particle (q = 2e and m = 6.64e-27 kg) is accelerated from rest through a potential difference of 1.2e+5 volts. Find the speed of the particle after being accelerated
A parallel plate capacitor has plates 5.0cm by 4.5cm. The plates are seperated by 1.8mm thickness of paper. (dielectric constant=3.7), obtain the energy stored in the capacitor.
A moving particle encounters an external electric field that decerases its kinetic enegery from 9420 eV to 8580 eV as the particle moves from position A to position B. Determine the charge of the particle
an 8 inch well penetrates a 100 ft deltaic reservoir with permeability varying linearlynbspwith depth from 200 md to
A 1000.0 kg car traveling at 50.0 miles per hour on a long, What was the average coefficient of sliding friction between the car's tires and the road
Suppose a simple pendulum consists of a small weight (called apendulum bob) suspended from a 0.52-m-long string. If thependulum bob were displaced to one side by a small angle and then released,
A sample of an unknown substance appears to weigh 15.1 N in air and 9.18 N when immersed in a solvent with density 0.945 g/mL. Find the density of the sample
When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. Find values for the following. the work function of potassium
One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. estimate the diameter of the pinhole
A person with perfect pitch sits on the bus bench listening to the 442 Hz horn of an approaching car. If the person detects a frequency of 479 Hz, how fast is the car moving.
Two 8.00mm x 8.00mm electrodes with a 0.10-mm-thick sheet of Mylar between them are attached to a 8.0V battery. Without disconnecting the battery, the Mylar is withdrawn. (Very small spacers keep the electrode separation unchanged.) Dielectric consta..
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