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A ray is incident on a sheet of transparent material by parallel sides. The angle of incidence is 60° and the thickness of the sheet is t = 1.40 cm. As the ray passes during the sheet, it is displaced x = 0.650 cm from its original direction of motion. What is the index of refraction of the sheet? (Hint: Use geometry to write two separate expressions for z, the distance that the ray travels during the sheet. Eliminate z from these two equations to get an equation in which the only unknown is the refracted angle. )
Two small stereo speakers are 2.8 m apart and act as a double-slit interference experiment by sound waves. If the opposite wall of the room is 7.5 m away and the sound frequency is 1.4 kHz, what is the distance among the two interference maxima neare..
During heavy rain, a section of a mountainside measuring 5.1 km horizontally, 0.78 km up along the slope, and 0.95 m deep slips into a valley in a mud slide. What is the mass of the mud sitting above a 3.6 m2 area of the valley floor
A 0.750kg block is attached to a spring with spring constant 16.5N/m . While the block is sitting at rest, What are the amplitude of the subsequent oscillations
A particle with charge of 4 microcoloumbs is at the origin, another identical particle is placed 2 m from the origin on thepositive x-axis and another 2 m on the positive y-axis.
If you pour 0.0100 kg of 20C water onto a 1.20kg block of ice which is initially -15C what is the final temperature
The mass of Jupiter is 317.8000 times that of earth, and its radius is 10.960 times that of earth. Compute the acceleration of gravity at the surface of Jupiter. Express your answer in g's (i.e. as a ratio to our acceleration of gravity).
Estimate the resolution of the human eye, limited by diffraction. Find the minimum resolvable separation between two points at a distance of 10 m
a rock is shot vertically upward from the edge of the top of a tall building.the rock reaches its maximum height above
An object 4.0 cm high is placed 20 cm to the left of aconverging lens with a focal length of + 8.0 cm. Adiverging lens with a focal length of – 12 cm is placed40 cm to the right of the converging lens. Describe the location,nature and size of the i..
A mass M=151 kg is suspended from the end of a uniform boom as shown. Calculate the tension in the horizontal cable
A 40cm -tall, 6.0cm -diameter cylindrical beaker is filled to its brim with water. What is the downward force of the water on the bottom of the beaker
A frog in a hemispherical pod finds that he just floatswithout sinking in a fluid of density 1.25 g/cm3. what is the mass of the frog
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