Physics, 08.04.2020 01:47, kyliegriffis
The photograph shows a shoe with novelty shoelaces. light source The laces are long, flexible plastic strands. Light from the light source passes through the tie laces, illuminating the ends. (a) (i) State what is meant by critical angle. (2)(ii) Show that the refractive index for the plastic used for the laces is about 1.5 speed of light in plastic = 1.97 Ă— 108 m sĂ
Answers: 2
Physics, 22.06.2019 06:50, tessalopezgarcia2345
Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.
Answers: 3
Physics, 22.06.2019 19:00, helpmegraduate40
1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)
Answers: 1
Physics, 22.06.2019 23:40, ltawiah8393
Acar jack with a mechanical advantage of 6 needs to produce an output force of 600 n to raise a car. what input force is required? 6 n 100 n 600 n 3,600 n
Answers: 2
The photograph shows a shoe with novelty shoelaces. light source The laces are long, flexible plasti...
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