Physics, 03.12.2021 21:10 nadiamckinney
Which hypothesis is supported by your observations of the teacher demonstrations?
Question 9 options:
If the resistance in a circuit increases, then the speed of the electrons increases.
If the resistance in a circuit increases, then the speed of the electrons decreases.
If the resistance in a circuit increases, then the speed of the electrons stays the same.
Answers: 1
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Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
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Aball is fired with an initial velocity of 500 m/s at an angle of 30 degrees above the horizontal across a level field. a. what are the horizontal and vertical components of the initial velocity. b. calculate the maximum height, the time of flight, and the range of the ball.
Answers: 1
Physics, 23.06.2019 19:30
This is easy true or false cars and factories cause pollution
Answers: 2
Physics, 23.06.2019 20:10
Five-gram samples of copper and iron are at room temperature. both samples receive equal amounts of energy due to heat flow. the specific heat capacity of copper is 0.09 cal/g°c, and the specific heat capacity of iron is 0.11 cal/g°c. which of the following statements is true?
Answers: 3
Which hypothesis is supported by your observations of the teacher demonstrations?
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