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A beam of light enters water from air.
(a) Will the angle of refraction be (1) greater than, (2) equal to, or (3) less than the angle of incidence?
(b) if the angle of incidence is 50o, find the angle of refraction?
A 44.5 mA current is carried by a uniformly wound air-core solenoid with 435 turns, a 20.0 mm diameter, and 14.5 cm length. Compute the magnetic flux through each turn
A satellite is in a circular orbit around the earth. The period of the satellite is 22 hr.
A photon produces a proton-antiproton pair according to the reaction y ---> p+P. What is the minimum possible frequency of the photon
On a safari, you are spearfishing while wading in a river. You observe a fish gliding by you. If your line of sight to the fish is 64.0° below the horizontal in air, and suppose the spear follows a straight-line path through the air and water afte..
An elastic cord is 63.9 cm long when a weight of 71.1 N hangs from it but is 88.9 cm long when a weight of 184 N hangs from it. What is the "spring" constant k of this elastic cord
A mass spring system had k= 55.6 N/m and m=0.41 kg. Find the frequency of its simple harmonic motion
One swimmer in a relay race has a 0.49 s lead and is swimming at a constant speed of 3.97 m/s. the swimmer has 57.7 m to swim before reaching the end of the pool
A square panel with sides of length 8 inches is 1 inch thick and has a thermal conductivity of 0.53 W K?1 m?1. find the rate of heat transfer through the thickness of the panel
A charge of170µC is at the center of a cube of edge40.0cm. No other charges are nearby. Find the total flux through each face of the cube
A 195 W (121 V) night light is turned on for an average 6.5 hr a day year round. What is the annual cost of electricity at a billing rate of $0.07 per kWh
A scooter begins at rest at t0 = 0 seconds. The scooter then accelerates and covers a distance d = 526 m, What is the scooters average speed during this period
A person with a mass of 71.6 kg and a volume of 0.089 m3 floats quietly in water. find the volume of the person that is above the water
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