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mr_godi [17]
2 years ago
12

This graph shows the energy of a reaction over time. Which statement is

Physics
2 answers:
Mrac [35]2 years ago
8 0

Answer:

D. F represents the activation energy

Explanation:

kirill115 [55]2 years ago
3 0

Answer: D.

Explanation: Just took the quiz.

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You are trying to find out how high you have to pitch a water balloon in order for it to burst when it hits the ground. You disc
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Answer:

The balloon hit the ground with velocity -15.34 m/s

Explanation:

<em>Lets explain how to solve the problem</em>

You found that the best height to pitch a water balloon in order for it to

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We consider that the 12 meters is the maximum height, so the velocity

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To find the velocity when the balloon hits the ground lets use the rule

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u = 0 , h = 12 m , g = 9.8 m/s²

<em>Substitute these values in the equation above</em>

v² = 0 + 2(9.8)(12)

v² = 235.2

<em>Take square root for both sides</em>

v = ± \sqrt{235.2}

The velocity is downward, then it's a negative value

Then v = -15.34 m/s

<em>The balloon hit the ground with velocity -15.34 m/s</em>

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The correct answer is B.
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