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A centrifuge in a medical laboratory rotates at an angular speed of 3,500 rev/min. When switched off, it rotates through54.0revolutions before coming to rest. Find the constant angular acceleration (in rad/s2) of the centrifuge.
The launching mechanism of a toy gun consists of a spring ofunknown spring constant. determine the speed of the projectile as it moves through the equilibrium position ofthe spring
A synchronous satellite, which always remains above the same point on a planet's equator, is put in orbit around Neptune so that scientists can study a surface feature. Neptune rotates once every 16.1 h. Use the data of this table to find the altitud..
For an atom (mythical), there are three possible energy levels between which an electron can jump
an amusement park ride consists of a large vertical cylinder that spins about its axis fast enough that any person
A person is watching water waves at the ocean and they notice the peak to peak distance between the waves is 3.4 m. How fast are the waves going
A hydrogen atom at rest in the laboratory emits the Paschen ? radiation. Compute the recoil kinetic energy of the atom
Find the average force of the water on the diver. The swimmer comes to a stop 4 m below the surface. Find the average net force acting on the diver as coming to a stop in the water.
The helium-neon lasers most commonly used in student physics laboratories have average power outputs of 0.250 mW. compute the peak magnetic field strength
The speed of light in a certain substance is 93.1% of its value in water. For water, n = 1.33. What is the index of refraction of the substance
Two people initially separated by 75 m move toward each other. One with a speed of 3 m/s, how long is it before they meet
A proton has an initial speed of 4.6X10^5 m/s. What potential difference is required to bring the proton to rest
An airplane moves at 120 m/sec to the west with respect to the air. How fast does the airplane move
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