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A diver shines a light up to the surface of a flat glass-bottomed boat at an angle of 33? relative to the normal. If the indices of refraction of air, water, and glass are 1.0, 1.33, and 1.6 respectively, at what angle does the light leave the glass (relative to its normal)? Answer in units of ?.
q1. two blocks of the same mass m joined by a spring of negligible mass and with spring constant k are being lowered at
An electric power station is producing 1.2 x 10+3 W of power that is to be sent to a small town located 11 km away. Find the power lost in heating the wires
the pericarppart of a popcorn kernel is a small container of liquid water. when the poppcorn is heated to about 180 degrees C, what is the change in entropy of the water due to the vaporization and expansion
An Olympic runner is at the starting gate and hears the starting gun, Using only acceleration, ai, and time, tr, write an expression for the runner's final speed, vr, when he crosses the finish line
a cylindrical capacitor consists of a cylinder of length l and radius a with a total charge q nested inside a thin
A force of 2 N is applied to a stationary 5 kg block for 0.3s. What is the speed of the block after the force is applied
A car is traveling at 50.0 mi/h on a horizontal highway, What is the stopping distance when the surface is dry and µs = 0.601
A glass rod 96 cm long with an index of refraction of 1.6 has its ends ground to convex spherical surfaces of radii 8 cm and 16 cm. Find the image distance due to refraction at the first surface. (Include the sign.)
An insulated Thermos contains 210 cm3 of hot coffee at 88 °C. You put a 19.00 g ice cube at its melting point to cool the coffee. By how many degrees has the coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though..
The length of a hollow pipe is 658 cm. The air column in the pipe is vibrating and has four nodes. Find the frequency of the sound wave in the pipe
A layer of oil (n = 1.45) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid. What is the index of refraction of the unknown liquid
A 0.150-A current is charging a capacitor that has circular plates 10.6 cm in radius. The plate separation is 4.00 mm. What is the time rate of increase of electric field between the plates
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