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A ray of light is incident on the surface of a block of clear ice at an angle of 31.0° with the normal. Part of the light is reflected and part is refracted. Discover the angle among the reflected and refracted light.
consider a carousel 32 feet in diameter. this carousel takes 11 s to accelerate from rest to its operating speed of
A cylinder contains 2.25 mol of helium gas at 21.0°C. Assume that the helium behaves like an ideal gas. What is the average kinetic energy per molecule
A 16.5-m-long cable consists of asolid-inner, cylindrical, nickel core 2.0cm in diameter surrounded by a solid-outer cylindrical shell ofcopper 2.0 cm in inside diameter and4.0 cm in outside diameter. There sistivity of nickel is 7.8*10-8 Ω · m, a..
The driver of a 1740 car traveling on a horizontal road at 110 suddenly applies the brakes. How many meters does it travel before stopping under these conditions
A dolphin in seawater at a temperature of 25 °C makes a chirp. How much time passes before it hears an echo from the bottom of the ocean, 208 m below.
an electron with an initial speed of 790000 ms is brought to rest by an electric field. b what was the potential
A person who weighs 645 N is riding a 94.9 N mountain bike. what is the area of contact between each tire and the ground
Suppose the ruler in procedure 3 is asymmetrical, balancing at the58.2cm mark. The ruler is now supported at the44.3cm mark, Find the mass of the ruler
An pickup truck with mass 1.79 103kg is traveling eastbound at +14.1 m/s, Find the speed of the entangled vehicles after the collision
A bullet is fired through a board 13.5 cm thick, with a line of motion perpendicular to the face of the board. If the bullet enters with a speed of 387 m/s and emerges with a speed of 163 m/s, what is its acceleration as it passes through the boar..
A 1089-kg car and a 2210-kg pickup truck approach a curve on the expressway that has a radius of 229 m. find the normal force on the car to the highway surface
A cart of mass 1.4 Kg is temporarily held stationary on an incline at 9.5 degrees to horizontal. How much work does gravity do on the cart
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