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Determine the speed of light from a helium-neon laster as it travels through carbon tetrachloride. The wavelength of light from the laser it 632.8 nm in air and the index of refraction of carbon tetrachloride is 1.461.
An opaque container is 15 cm deep. It contains only a single coin. When looking into the container at a viewing angle of 50 degrees relative to the vertical side of the container, you see nothing on the bottom.
A 5.4-µC point charge is located at x = 0.9 m, y = 3.3 m, and a -3.9-µC point charge is located at x = 1.9 m, y = -1.9 m. (a) Find the magnitude and direction of the electric field at x = -3.2 m, y = 0.9 m.' (b) Find the magnitude and direction of..
The drawing in problem 11 chapter 9 shows a person (W=584N) doing push ups. Find the normal force exerted by the floor on each hand
A landing craft with mass 12,500 kg is in a circular orbit5.75*105 m above the surface of a planet. Theperiod of the orbit is 6000 s. Theastronauts in the lander measure the diameter of the planet to be9.60*106 m.
A 6.27kg box sits on a ramp that is inclined at 37.0 degrees above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.30. What horizontal force is required to move the box
A test tube contains 2.56 10-4 m3 of liquid carbon tetrachloride at a temperature of 75.5° C. Find the volume of carbon tetrachloride in the test tube at -11.7° C
at the surface of the ocean the water pressure is the same as the air pressure above the water 15 lbin2. below the
At what net rate does heat radiate from a 275m^2 black roof on a night when the roof temp is 30.0C and the surrounding temp is 15C. The emissivity of the roof is 0.900
An empty boat is placed in a freshwater lake and a mark is painted on the hull at the waterline, a line corresponding to the surface of the water when the vessel is floating upright, where is the new waterline mark located on hull of the boat
A potential difference of 80 mV exists between the inner and outer surfaces of a cell membrane. How much work is required to eject a positive sodium ion
a truck moving at 80mihr passes a police car moving 100mihr headed in the opposite direction. if the frequency of the
a quarter diameter 2.40 cm is held at arms length 64.0 cm. the sun has a diameter of 1.39 x 109 m and is 1.50 x 1011 m
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