Physics, 13.12.2019 06:31 yclark98563p5z2gt
Which of the following statements about the movement of earth's atmosphere is correct? select one:
a. a column of warm, less dense air produces high pressure at the earth's surface.
b. cold air is less dense than cool air so it tends to sink toward the earth's surface.
c. the movement of air within the atmospheric convection cells generates the wind belts.
d. warm air is denser than cool air so it tends to sink toward the earth's surface.
e. a column of cool, dense air produces low pressure at the earth's surface.
Answers: 2
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Plzz 10 points ! is some thermal energy always released during a transformation ? and is potential chemical energy always transformed into kinetic energy
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Physics, 21.06.2019 18:30
An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball
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Physics, 22.06.2019 02:30
The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
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Physics, 22.06.2019 11:30
Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.1 m below the tank bottom which is a = 7.4 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute)
Answers: 3
Which of the following statements about the movement of earth's atmosphere is correct? select one:...
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