3 years ago

Which of the following is another term for eruptions of gas on the sun's surface?

Chemistry

1 answer:

trapecia [35]3 years ago

8 0

Answer:

Explanation:

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lisabon 2012 [21]

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2 years ago

Four students drew part of the rock cycle on the board. Which drawing was correct?

Alexeev081 [22]

Answer:the answer is C

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3 years ago

What happens when a beaker with cold water is held in a yellow burner flame? Explain this.

schepotkina [342]

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3 years ago

A chunk of ice breaks off a glacier and falls 30.0 m before it hits the water. Assuming it falls freely (there is no air resista

lina2011 [118]

Answer:

The ice chunk will take 2.47 seconds to hit the water.

Explanation:

Height from which ice chunk fell = h = 30.0 m

Initial velocity of the ice chunk = u = 0 m/s

Time taken by ice chunk to cover 30.0 m of height = t

Acceleration due to gravity = g $9.8m/s^2$

Using second equation of motion ;

$h=ut+\frac{1}{2}gt^2$

$30.0 m=0 m/s\times t+\frac{1}{2}\times 9.8 m/s^2\times t^2$

$t=\sqrt{\frac{30.0m/s\times 2}{9.8 m/s^2}}2.47 s$

The ice chunk will take 2.47 seconds to hit the water.

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3 years ago

What are some elements that can exist in room temperature?

SOVA2 [1]

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3 years ago