Physics, 16.09.2019 20:00 dianaskye9081
Which of the following is a pair of scalar quantities?
question 15 options:
velocity - distance
velocity - displacement
time - speed
time - displacement
Answers: 3
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What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided
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The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.
Answers: 1
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Observations show that interstellar clouds can have almost any shape and
Answers: 1
Which of the following is a pair of scalar quantities?
question 15 options:
velocity -...
question 15 options:
velocity -...
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