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The critical angles for light of color "a" and "b" in crown glass are respectively 40.0757o and 40.3604o.
(a) If light is incident on crown glass from air, which color "a" or "b", will be refracted more? Explain?
(b) Find angle seperating the two rays in a piece pf crown glass if their angle of incidence is 53.0000o. (Illustrate with a sketch)
A house has the footage of 2000 sqft. The ceiling height is 8' (8 ft). The air density is 1.3 kg/m3. What is the total mass of the air inside that house
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A frequency generator (a device that produces sinusoidal signals whose frequency and amplitude can be independently set) is used to power a horn. The frequency is set to 2000HZ, and for a particular amplitude the sound intensity is measured to be..
A football is kicked at ground level with a speed of 40.0 m/s at an angle of 35.0° to the horizontal. How much later does it hit the ground
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The figure below shows particles 1 and 2, each of mass m, attached to the ends of a rigid massless rod of length L1 + L2, with L1 = 17 cm and L2 = 77 cm. The rod is held horizontally on the fulcrum and then released.
A material is formed into a long rod with a square cross-section 0.50 cm on each side. What is the resistivity of the material
An 80 N box initially at rest is pulled by a horizontal rope on a horizontal table. Find the friction force on the box if the pull is 25 N and the box remains at rest
An electron and a positron are separated by distance r. Find the ratio of the gravitational force to the electric force between them. From the result, what can you conclude concerning the forces acting between particles detected in a bubble chambe..
When a person inhales, air moves down the bronchus (windpipe) at 14 cm/s. determine the pressure drop in the constriction
a 18000 n automobile travels at a speed of 43 kmh northward along a street and a 7000 n sports car travels at a speed
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