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A ray of light is incident normally on a glass plate 6.00 cm thick and of refractive index n = 1.29 If the plate is turned through an angle of 74.0° about an axis perpendicular to the ray, what is the increase in the distance the ray travels in the glass? (nair = 1.00)
The man hears the sound of the splash 2.8 s after he releases the rock from rest. The speed of sound in air (at the ambient temperature) is 336 m/s. How far below the top of the well is the surface of the water
The resolution of the eye is ultimately limited by pupil diameter. What is the smallest diameter spot an eye can produce on the retina if pupil diameter is 4.45? Assume light with a wavelength of = 600 .
The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion. s (b) Find the frequency of the motion. Hz (c) Find the amplitude of the motion. cm (d) Find ..
A wire is stretched between two posts. Another wire is stretched between two posts that are four times as far apart. The tension in the wires is the equal, and they have the same mass.
If you throw a .038 kg ball at a speed of 10.9 m/s and at an angle of 43.5 above the horizontal from a 14.8m high building, what will its kinetic energy be when it hits the ground
An 85 kg linebacker is running at 8 m/s directly toward the sideline of a football field. Determine their common speed and direction immediately after they collide
The deepest point in the ocean is in the Mariana Trench, about 11 km deep, in the Pacific. The density of seawater at the surface is 1.03 X 10^3 kg/m^3. Find its density at the bottom
q. in a youngs interference experiment the two slits are separated by 0.17 mm and the incident light includes two
A 57.3-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.770 and 0.405, What horizontal pushing force is required to just start the crate moving
You sing into a well and find that the well resonates at frequencies of 198 Hz and 234 Hz with no resonances between these two frequencies. What is the frequency of the fundamental mode
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 132-kg laser sensor that measures the thickness of the ice, find the tension in the cable towing the sensor
A speed skater moving across frictionless ice at 8.1 m/s hits a 5.6m wide patch of rough ice. What is her acceleration on the rough ice
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