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A horizontal laser beam by wavelength 660nm passes through a rectangular glass prism (with a vertex angle of 33.5 degrees) and is deflected 22.7 degrees below the horizontal. a) Discover the angle of refraction b) Compute the index of refraction of the glass.
For a coal gasification project being planned, 26,000 tons of coal per day is used to produce 250,000,000 cubic feet per day of natural gas. If the coal is rated at 8700 Btu/lb and the gas at 950 Btu/cubic ft, what will be the efficiency of this plan..
A 150-gm ball is attached to a 3-m long string to form apendulum. The pendulum is pulled until it forms an angle of 45degrees with the vertical. calculate its maximum speed after it was released
An electric vehicle starts from rest and accelerates at a rate of 1.8 m/s2 in a straight line until it reaches a speed of 18 m/s. How far does the vehicle move from start to stop
A 5.000kg mass starts from rest and slides down on an inclined plane, hits a bumper at the bottom of the inclined plane and bounces back up the inclined plane and comes to rest again. Through the collision with the bumper, 0.700J of energy is lost.
A truck is traveling on a level road. The driver applies the brakes causing the truck to decelerate by an amount g/2. This causes a box in the rear of the truck to slide forward. If the coefficient of sliding friction between the box and the truckbed..
q1. a cannonball shot with the initial velocity of 133 ms at an angle of 59deg follows a parabolic path and hits a
a 5.00-kg bullet is fired with a velocity of 100.0 m/s toward a10.00 kg stationary solid block resting on a frictionless surface. what is the change in momentum of the bullet if it is embeddedin the block
A sound wave with an intensity level of 80.9 dB is incident on an eardrum of area 6.00 10-5 m2. How much energy is absorbed by the eardrum in 3.0 minutes
A sinusoidal wave travels in the positive x direction with amplitude of 15.0 cm, a wavelength of 40.0 cm and a frequency of 8 Hz. The vertical displacement at x= 0 when t= 0 is 15.0 cm. Discover the period, the angular frequency and the speed of the ..
A 66 kg solid sphere with a 14 cm radius is suspended by a vertical wire. What is the period of the oscillations
Apollo 14 astronaut Alan B. Shepard Jr. used an improvised six-iron to strike two golf balls while on the Fra Mauro region of the moon's surface, What is the numeric value of the ratio
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
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