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1-A material has an index of refraction of 1.92. Determine the speed of light in this material. Use the formula n=c/v
2-Light travels from air into water. If the angle of refraction is 30°, what is the angle of incidence? Refractive index air= 1.00 and water 1.33. Use the GRASS method to solve this problem.
A monatomic ideal gas that is initially at a pressure of 1.60 × 105 Pa and with a volume of 7.70 × 102 m3 is compressed adiabatically to a volume of 4.00×102 m3. How much work is done by the gas during the compression
A steel column that has a diameter of 10 cm supports a mass of 1000 kg resting on it. What is the stress produced on the steel column?
Estimate the % RPM of a high-bypass Turbo Jet engine to maintain level flight if the thrust available is 20,000 lb and the thrust required is 16,000 lb. Assume Full thrust is 100 %. Use the standard high bypass exponent model.
A conical pendulum is formed by attaching a 50 gram mass to a 2 meter string. The mass swings around a horizontal circle of radius 1 meter. Find what is the acceleration of the mass
A softball of mass 0.220kg that is moving with a speed of 8.5m/s collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
If the object is initially at rest, what will be the magnitude and angle of the acceleration of the object due to F1 and F2?
A spring with constant k = 10 N/m is attached to a block. What is the force on the block by the spring when the spring has been stretched by 0.05 m
The cross-sectional area of a hollow needle is half of the cross-sectional area of the tubing connected to the needle. As the fluid flows from the tubing.
A person pushes with a force of 10.0 N on a stick pin to try to push it into a bulletin board. find the average pressure (in Pascals) on the board at the tip of the pin
at a distance of 1.85 m from a point charge of 1.99 oc there is an equipotneial surface. at greater distances there are
An initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not exceed 754 N. what is the weight of the sand and box in that situation
A factory worker moves a 25.0 crate a distance of 4.00 along a level floor at constant velocity by pushing horizontally on it. What is the net work done on the crate
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