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Ahat [919]
4 years ago
15

Almost all weather occurs in the a. troposphere. c. mesosphere. b. stratosphere. d. thermosphere.

Physics
1 answer:
Tanzania [10]4 years ago
8 0

Answer: a.troposphere

Explanation: Most of the mass (about 75-80%) of the atmosphere is in the troposphere. Almost all weather occurs within this layer. Air is warmest at the bottom of the troposphere near ground level. Higher up it gets colder. Air pressure and the density of the air are also less at high altitudes.

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3 years ago
A communications satellite transmits a radio wave at a frequency of 5 • 10^9 Hz. What is the signal's wavelength? Assume the wav
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3 0
4 years ago
PLEASE HELP!!!! OFFERING 99 POINTS!!
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The Gravitational PE (U) depends on three things: the object’s mass (m), its height (h), and gravitational acceleration (g), which is 9.81 m/s^2 on Earth’s surface.

so U = mgh = 9.81mh on earth

mass of the car = 50.0 grams = 0.05kg

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Hill 1 = 90.0 cm = 0.9m,

Hill 2 = 65.0 cm = 0.65m,

Hill 3 = 20.0 cm = 0.2m

substitute into eqn U = mgh

U @ top of Hill 1 = 0.05*9.81*0.9 = 0.4415J

U @ top of Hill 2 = 0.05*9.81*0.65 = 0.3188J

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difference in Gravitational Potential Energy from the top of Hill 1 to the top of Hill 3 = 0.4415 - 0.0981

= 0.3434J where J is the unit for energy, Joules


7 0
3 years ago
Read 2 more answers
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