Physics, 26.02.2021 20:50 alcantar28eduin
10. If a weightlifter lifts 2000 newtons to a height of 2 meters in 4 seconds, how powerful is
he?
a. 100 watts
b. 500 watts
c.
1,000 watt
d. 16,000 watts
Answers: 3
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Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
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Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx
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What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.
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Imagine an isolated positive point charge q (many times larger than the charge on a single proton). there is a charged particle a (whose charge is much smaller than charge q) at a distance from the point charge q. on which of the following quantities does the magnitude of the electric field created by charge q at particle a's position depend? check all that apply.the type of the charge on the charged particle athe relative orientation between q and a (while the distance between q and a is fixed)the specific location of the charged particle a (while the distance between q and a is fixed)the amount of the charge on the point charge qthe specific location of the point charge q (while the distance between q and a is fixed)the distance between the point charge q and the charged particle athe amount of the charge on the charged particle a
Answers: 3
10. If a weightlifter lifts 2000 newtons to a height of 2 meters in 4 seconds, how powerful is
he?<...
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