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aivan3 [116]
3 years ago
15

What items can be classified as matter?

Physics
1 answer:
Agata [3.3K]3 years ago
7 0
Gas , Liquid , or solid
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D and A

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If someone looks far enough into space, they should be able to see the beginning of the universe true of false
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A 2.7-kg ball is thrown upward with an initial speed of 20.0 m/s from the edge of a 45.0 m high cliff. At the instant the ball i
scoray [572]

Answer:

The distance traveled by the woman is 34.1m

Explanation:

Given

The initial height of the cliff

yo = 45m final, positition y = 0m bottom of the cliff

y = yo + ut -1/2gt²

u = 20.0m/s initial speed

g = 9.80m/s²

0 = 45.0 + 20×t –1/2×9.8×t²

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Solving quadratically or by using a calculator,

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So this is the total time it takes for the ball to reach the ground from the height it was thrown.

The distance traveled by the woman is

s = vt

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Therefore

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Approximately 34.1m to 3 significant figures.

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