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Find the linear speed that the bottom of the test tube must have in a centrifuge if the centripetal acceleration there is to be 51980 times the acceleration of gravity? The distance from the axis of rotation to the bottom of the test tube is 6.8 centimeter.
The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 294 K. Determine the temperature of the well water
Assume the distance between the protons in the H2 molecule is 7.50 10-11 m. Find the energy of the fourth excited rotational state, with J = 4
Explain why do we place guards over capacitors and where does the guard voltage come into play when using an analogue L-C meter to probe the capacitance?
White light is incident normally on a thin soap film ( = 1.33) suspended in air. What are the two minimum thicknesses that will constructively reflect yellow ( = 577 ) light? Enter your answers in ascending order separated by a comma
You drape a string over a pulley and hang a mass of 35kg from one end. You tie the other end to a point a distance L from the pulley so that the string is horizontal between this point and the pulley.
two 4.0 cm times 4.0 cm electrodes spaced 2.0 mm apart form a parallel-plate capacitor. inside the capacitor the
A 0.6-kg ball is fastened to a spring with a spring constant of 86 N/m and is oscillating horizontally with an amplitude of 0.2 m. What is the maximum potential energy
How far away does the ball strike the ground?
Suppose that the amount of heat removed when 2.8 kg of water freezes at 0.0 oC were removed from ethyl alcohol at its freezing/melting point of -114.4 oC. How many kilograms of ethyl alcohol would freeze
Determine the wave's amplitude. Determine the wave's wavelength. Determine the wave's frequency. Determine the wave's speed of propagation. Determine the wave's direction of propagation.
An atom by a single electron (i.e. a hydrogen-like atom) has anatomic number Z = 3. What is the principal quantum number of the state in which the electron has the similar total energy as aground state electron has in the hydrogen atom?
A device used in radiation therapy for cancer contains 3.10×10-1 g of cobalt 2760Co (59.9333819 u). Determine the activity of the radioactive material
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