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A beam of light in air strikes a glass slab at normal incidence. The glass slab has an index of refraction of 1.50.
(a) Approximately find what percentage of the incident light intensity is transmitted through the slab (in one side and out the other)?
(b) Repeat Part (a) if the glass slab is immersed in water.
The "reaction time" of the average automobile driver is about 0.7s. Compute the total distance covered in coming to a stop after a signal is observed from an initial velocity of 12.0
an aluminum cup contains 225 g of water and a 40 g copper stirrer all at 27degc. a 420 g sample of silver at an initial
The specific heat of aluminum is 0.215 kcal/(kgoC). A 3kg block of aluminum is heated from 10oC to150oC. What is the change in the internal energy (inunits of kcal) of the block
A motorcycle accelerates uniformly from rest and reaches a linear speed of 20.4 m/s in a time of 8.91 s. What is the magnitude of the angular acceleration of each tire
A horizontal water main with a cross-sectional area of 196 cm2 necks down to a pipe of area 40.4 cm2. Determine the flow rate through the system, taking the fluid to be ideal
Forces of 11.0 N norths, 19.5 N east, and 15.90 N south are simultaneously applied to a 3.70 kg mass as it rests on an air table. What is the magnitude of its acceleration.
At very fast car races the sound of the engine as a car approaches is much different than when it passes you. How fast would the car need to be going to have the change in frequency be one octave
question1imagine you are on a planet similar to earth where an acceleration of gravity is approximately 10 ms2.the
An object is placed in front of a converging lens in such a position that the lens (f = 11.6 cm) produces a real image located 22.9 cm from the lens.
Canadian nuclear reactors use heavy watermoderators in which elastic collisions occur between the neutrons and deuterons of mass2.0 u. What is the speed of a neutron, expressed as a fraction of its original speed, after a head-on
The ramp is slanted at an angle of 17.0 degrees to the horizontal. Illustrate what is the coefficient of kinetic friction between the block and the ramp?
An automobile has a mass of 1500 kg, and its aluminum brakes have an overall mass of 6.00 kg. (a) Assume all the mechanical energy that transforms into internal energy when the car stops is deposited in the brakes and no energy is transferred out of ..
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