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zvonat [6]
3 years ago
7

Which diagram best illustrates what happens when electromagnetic waves strike a reflective material? ANSWER: D

Physics
2 answers:
hodyreva [135]3 years ago
6 0
We have no way to tell whether the answer is really D,
because you haven't posted the choices, so we don't
know what ' D ' says.

I hope you were helpful to yourself.
guapka [62]3 years ago
4 0

Answer:

The answer is D

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Answer:

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A stone is thrown straight up from the edge of a roof, 925 feet above the ground, at a speed of 20 feet per second. Remembering
Black_prince [1.1K]
<h2>Answer: 469 feet</h2>

Explanation:

This problem is a good example of Vertical motion, where the main equation for this situation is:

y=y_{o}+V_{o}t-\frac{1}{2}gt^{2} (1)

Where:

y is the height of the stone at 6s (the value we want to find)

y_{o}=925ft is the initial height of the stone

V_{o}=20ft/s is the initial velocity of the stone

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y=925ft+(20ft/s)(6s)-\frac{1}{2}(32ft/s^{2})(6s)^{2} (2)

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y=469ft This is the height of the stone at t=6s

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