Which statement about vectors is true?
a. vectors are quantities described by both velocity and acceleration.
b. vectors are quantities described by both force and gravity.
c. vectors are quantities described by both speed and movement.
d. vectors are quantities described by both magnitude and direction.
Answers: 2
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Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?
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Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.
Answers: 2
Physics, 22.06.2019 17:30
Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.
Answers: 2
Which statement about vectors is true?
a. vectors are quantities described by both velocity a...
a. vectors are quantities described by both velocity a...
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