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Which of these behaves both as a particle and a wave?
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Light
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Sound
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Velocity
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Radiation
Explanation
Light is the fastest particle in the universe.
What is the formula for the electric current?
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I = V/R.
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I= V2 ⁄ R
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I=E ⁄ t
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I=F × v
Explanation
Benjamin Franklin is widely credited with discovering electricity during his kite and key experiment.
Which of these values is inversely proportional to volume in a closed system?
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Pressure
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Temperature
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Gravity
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Pulse
Explanation
Robert Boyle propounded Boyle's Law; the absolute pressure exerted by a given mass of an ideal gas is inversely proportional to the volume it occupies if the temperature and amount of gas remain unchanged within a closed system.
What is the formula for pressure in a liquid?
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P = P0 + ρgh
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P = m V
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p =
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p = τ · ω
Explanation
At very high pressures, water can cut through rocks and metal.
The phenomenon whereby water moves upwards in a narrow tube is known as what?
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Capillary action
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Viscosity
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Surface tension
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Reverse-gravity
Explanation
Water in the form of polar ice caps has been found on Mars. Hence there is a possibility of life.
How is the sun's energy transmitted through space to us?
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Radiation
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Coffee
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Conduction
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Convection
Explanation
The sun is so far away from us that it takes about eight minutes for its light to reach us, so we see the sun as it was eight minutes ago!
Which of these formulas best describes potential energy?
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E = mgh
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E = 1/2(mv)2
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E=VIt
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E = hf
Explanation
The first law of thermodynamics states that energy can neither be created nor destroyed but rather changed from one form to another.
The product of force and distance is referred to as what?
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Work
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Toque
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Amplitude
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Stress
Explanation
For work to be done, the force must move a body through a distance, so you aren't technically doing any work if you're carrying a heavy load and standing on a spot.
What equation is Einstein famous for?
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E = mc2
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v = v0 + at
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p = mv
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P = τ · ω
Explanation
As famous as his theory of relativity was, Einstein didn't win a Nobel Prize for it.
How much would a 200 pounds person weigh on Mars?
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76 pounds
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105 pounds
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250 pounds
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83 pounds
Explanation
Due to its smaller mass, Mars has a lesser gravitational pull than the earth. Therefore, you would weigh less than half your weight on Mars.
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