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Onemethod of determining the refractive index of a transparent solidis to measure the critical angle when the solid is in air. Ifθc is found to be 42.5°, what is the indexof refraction of the solid?
Two charged balls are 20.0 cm apart. They are moved, and force on each of them is tripled. How far apart are they now.
The power output of a car engine running at 2900 rpm is 300 kW. How much work is done per cycle if the engine's thermal efficiency is 10.0%
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 50.00°. Find the dispersion of the slab, which is defined as the difference in the angles of refraction for the two wavelengths
a proton mass 1.67 times 10-27 kg moves in a one-dimensional electrical potential 17 mvm2x2 . what is the frequency of
A patio swing is suspended by two springs, each of which has a force constant of 465 N/m, Find the mass of a person sitting on the swing oscillating up and down at a frequency of 0.515 Hz
This problem deals with a multi-loop circuit and I was wondering how you determine the direction of the inner loops which are needed to determine if an amp or volt is added(opposite the inner loop) or subtracted(same direction as the inner loop).
A dog searching for a bone walks 2.20 m south, then 8.20 m at an angle 30.0° north of east, find the dog's resultant displacement vector
A particle leaves the origin with an initial velocity v=(2.4 m/s)x , and moves with constant acceleration a=(-1.9 m/s^2)x + (3.2 m/s^2)y. What is the particle's velocity at this time?
A chair of weight 135 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38 directed at an angle of 42 below the horizontal and the chair slides along the floor.
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. But she does have devices to measure distance and time accurately. What is the mass of this canister
A pair of speakers separated by 0.700m are driven by the same oscillator at a frequency of 658 Hz. An observer, originally positioned at one of the speakers, begins to walk along a line perpendicular to the line joining the speakers.
a 0.10kg dart is fired horizontally at the center of a 0.80kg vertically hanging block sticking to it. the system
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