A chemical property is a change in _____.

1 answer:

3 0

A chemical property is a change in classification in matter I think

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Eva8 [605]

When she starts out, he is (40x2.5)= 100 miles ahead of her.

She gains (65-40)= 25 miles on him every hour.

It takes her (100/25)= 4 hours to catch up to him.

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faust18 [17]

The rotation is probably n

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MrMuchimi

Answer:

Explanation:

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irga5000 [103]

Answer:

a switch that flicks the light on

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topjm [15]

Answer:

42 m/s

Explanation:

by definition of the velocity(speed) of a wave,

The velocity of light, v, is the product of its wavelength, λ , and its frequency, f.

V= fλ

frequency - number of occurances in a unit time

(check the graph)

$velocity=frequency*wave.length\\=14Hz*3m\\=42 ms^{-1}$

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3 years ago