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Furkat [3]
3 years ago
8

Which best describes convection

Physics
2 answers:
Dmitriy789 [7]3 years ago
7 0
It is driven by tempature differences within the fluid

Inessa [10]3 years ago
4 0

Correct answer: transfer of heat by the actual movement of warmed matter. Because warm air rises and cooler air falls due to density differences. My son just took this quiz.

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The answer is 21m because the motion is in one dimension with constant acceleration.

The initial velocity is 0, because it started from rest, the acceleration <span>ax</span> is <span>4.7<span>m<span>s2</span></span></span>, and the time t is <span>3.0s</span>

Plugging in our known values, we have

<span>Δx=<span>(0)</span><span>(3.0s)</span>+<span>12</span><span>(4.7<span>m<span>s2</span></span>)</span><span><span>(3.0s)</span>2</span>=<span>21<span>m</span></span></span>

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