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A monochromatic ray of light is refracted by an angle of 72.0 degrees as it enters ice(1.31) from a piece of diamond(2.42), if the frequency of the light Ray is 2.96x10^4 cycles/second when it is in ice, then what was the light rays wavelength when it was in diamond.
On the moon the surface temperature ranges from 376 K during the day to 0.98 102 K at night. What are these temperatures on the Celsius scale
A 500-N weight sits on a small piston of a hydraulic machine.The small piston has area 2.0 cm^2. how much weight can the large piston support
an electron is a subatomic particle m 9.11 x 10-31 kg that is subject to electric forces. an electron moving in the x
The ratio of 14C to 12C in living organisms is 1.3E-12. How long ago, in years was the organism alive
As a rocket passes your space station, it emits a flash of light. Later, it emits a second flash, which you determine was emitted three seconds later, at which time the rocket was two light seconds away. How much time separated the two flashes
A friend speeds by you in her spacecraft at a speed of 0.770 c. It is measured in your frame to be 4.70m long and 1.45m high. What will be its length at rest
You are traveling on an airplane. The velocity of the plane with respect to the air is 170 m/s due east. What is the heading of the plane with respect to the ground
How much work is done on the car by the engine when accelerating the car from rest to 90m/s, What is the average power delivered by the engine
The speed of object at displacement x = 20 m. The change in the momentum of the object at it is displaced from x = 12 to x = 20 m.
two appliances are connected in parallel to a 120-v battery and draw currents i1 5.0 a and i2 3.9 a. if these
A 30.0-g goldfinch lands on a slender branch, where it oscillates up and down with simple harmonic motion of amplitude 3.50*10^-2m and period 1.50s. What is the maximum acceleration of the finch
A tank contains mercury, whose density is 13,600 kg/m^3. Find the force exerted by the mercury on a circular plug
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