3 years ago

Time time it takes two successive crests of an ocean wave to pass a given point is called

1 answer:

6 0

The question is asking for "time".

Even if you didn't know anything about waves, you could look down this list and see that 'peak', 'amplitude', and 'frequency' are not times, so none of those can be the answer to the question. It must be <em>"period"</em>.

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A hockey puck is struck so that it slides at a constant speed and strikes the far side of the rink, 58.2 m away. The shooter hea

DENIUS [597]

Answer:

$v = 33.66 m/s$

Explanation:

Let hockey puck is moving at constant speed v

so here we have

$d = vt$

so time taken by the puck to strike the wall is given as

$t = \frac{58.2}{v}$

now time taken by sound to come back at the position of shooter is given as

$t_2 = \frac{58.2}{340}$

$t_2 = 0.17s$

so we know that total time is 1.9 s

$1.9 = t + t_2$

$1.9 = t + 0.17$

$1.9 - 0.17 = t$

$t = 1.73 s$

now we have

$1.73 = \frac{58.2}{v}$

$v = 33.66 m/s$

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Answer:

D. Hypnosis can make the subjects talk, but they talk only about their childhoods.

Explanation:

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