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Light strikes a surface at an angle of 47 degrees. The angleof refraction is measured to be 34 degrees. What is the index of refraction of the material?
Consider 5.00 mol of liquid water. What volume is occupied by this amount of water? The molar mass of water is 18.0 g/mol
A beam of light traveling in air strikes the surface of mineral oil at an angle of 20.7° with the normal to the surface. find the index of refraction of mineral oil
An air-track glider attached to a spring oscillates between the 12.0 cm mark and the 55.0 cm mark on the track. calculate the maximum speed of the glider
A student sitting on a frictionless rotating stool has rotational inertia 0.90kg?m2 about a vertical axis through her center of mass when her arms are tight to her chest. Ignoring her arm mass, what's her new rotational velocity
Dez pours a liquid (n = 1.34) into a container made of glass (n = 1.52). Find the angle of the corresponding refracted ray
An idiot following a fire truck northbound up the side of the highway is going 70 mph while the fire truck is going 60 mph. What is the frequency heard by the idiot
a bee that is 3m away from a person produces a buzzing sound that is barely audible (the intensity is the threshold of hearing I0) What is the decible level of 1000 bees
At standard atmospheric pressure, the solid form of carbon dioxide called "dry ice" undergoes a phase change not to a liquid, how much of the water will turn to ice by the time all the dry ice has sublimated
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 16.0° below the horizontal. The length of time the car is in the air
q.what is the magnitude of the apparent weight of a 84 kg astronaut 4800 km from the center of the earths moon in a
On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of 0.595m from the axis of rotation of the stool. She is given an angular velocity of 3.05rad/s , after which she pulls the dumbbells in until they ar..
A force F = 200i - 400j + FZ k N, is acting through point A(0,0,0) m. If F creates a moment component of -3000 Nm in the direction of a line passing from point B (2,4,5) m to point C(-3,6,8) m
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