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A satellite operates at an altitude of 20,200 km and utilizes communication frequencies of1575.42 MHz. Find the gravitational frequency change by respect to Earth.
two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 448 N and F2 = 350 N. What is the resultant of these two forces
A laser beam of wavelength 580nm is incident normally on a transmission grating having 410lines/mm
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..
A hair dryer has a power rating of 1400 W at 110 V rms. Assume the hair dryer circuit contains only resistance. What is the rms current drawn by the hair dryer
Reluctant diver Dave is hanging by his fingertips at the high-dive board, a distance of 8m from the water. His friend pries his fingers from the board, How long does it take Dave to reach the water
Calculate the force required to move an object.
the average density of a person is about 1010 kgm3. if a 202-lb person in air is fully submersed in a pool of water and
charges of -q and 2q are fixed in place with a distance of 1 m between them. a dashed line is drawn through the
A bullet mass 7.1 grams is fired from a gun with a muzzle velocity of 1,078 mph. It embeds itself 77.3 cm in a wood post. What was the average force on the bullet in slowing it to a stop?
Human skin is most sensitive to ultraviolet light of approximate wavelength 300 nm. The threshold for sunburn occurs when 1 cm2 of skin absorbs about 1015 of these UV photons over an interval of several hours or less. How much energy is absorbed
Consider the collision between two hockey pucks in the figure below. They do not stick together. Their speeds before the collision are v1i = 30 m/s and v2i = 11 m/s. What is the final velocity of the other puck
Sam (75 kg) takes off up a 50 m high, 10 degree frictionless slope on his jet powered skis. how far does Sam land from the base of the cliff
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