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Greeley [361]
1 year ago
15

Why does the arrow labeled F norm point upward?

Physics
2 answers:
ohaa [14]1 year ago
8 0
The answer is D I think
jenyasd209 [6]1 year ago
5 0
I think the answer is d too
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During what time interval was the object traveling most quickly?
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ANSWER

0s to 3s

EXPLANATION

To find the time interval where the object was traveling more quickly, we have to find the velocity of the object during each interval.

From a position-time graph, we can obtain the velocity of the object from the slope of the graph in each interval. To find those slopes, we just have to divide the vertical difference by the time interval.

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The interval from 5s to 7s,

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And the interval from 8s to 12s,

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Two of these three velocities are negative. Negative velocity indicates that the object is moving backward.

From these velocities, the greatest one, in absolute value, is the one between 0s to 3s. During this interval, the object is moving backward but at the greatest velocity.

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Why the sun emits most of its energy in the form of visible light?
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