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3 years ago

8

Drag each tile to the correct box a chemical reaction takes place in which energy is released arrange the reactions characterist

ics in order from start to finish

1 answer:

wlad13 [49]3 years ago

8 0

Where are the tiles my wise sir

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An ant is crawling along a yardstick that is pointed with the 0-inch mark to the east and the 36-inch mark to the west. It start

galina1969 [7]

Answer:

it moves 25 inches.

Explanation:

the east west bit isn't important, ignore it. if an ant starts at 6 then moves to 19 then we need to subtract 19 from 6, that's 13. then it moves to 7. the difference between 19 and 7 is 12. add that to 13 and you get 25. it's important to remember that there is no such thing as negative distance. if it moved, then it counts.

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3 years ago

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4 years ago

If a bat hits a ball with a 1000-N force, what force does the ball exert on the bat?

scoundrel [369]

Same magnitude (1000N) and opposite direction
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3 years ago

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Which form of electromagnetic radiation with a relatively high amount of energy is used to sanitize lab goggles?

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3 years ago

Three deer, a, b, and c, are grazing in a field. deer b is located 62.1 m from deer a at an angle of 54.3 ° north of west. deer

sveticcg [70]

by cosine law we know that

$c^2 = a^2 + b^2 - 2 abcos\theta$

$\theta = 180 - 54.3 - 79.1 = 46.6 degree$

now using above equation

$93.8^2 = 62.1^2 + b^2 - 2*62.1*b * cos46.6$

$4942.03 = b^2 - 85.34 b$

$b^2 - 85.34b - 4942.03 = 0$

by solving above quadratic equation we have

$b = 124.9 m$

so it is at distance 124.9 m from deer a

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3 years ago