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Brums [2.3K]
3 years ago
15

Can someone tell me if I got the correct answer?

Physics
1 answer:
Anna [14]3 years ago
4 0
The maximum height it reaches from the ground is indeed 11.47m, however, 1.53s is the time the ball takes to reach it's maximum height, not the time it takes to reach the ground.
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D section a only still need help on this
SIZIF [17.4K]

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The y-axis of this graph IS speed. So the height of a point on the line is speed. If the line is going up or down, then speed is changing.

Sections a, c, and d are all going up or down. Section b is the only one where speed is not changing. So we can't be sure about b, because we don't know if the track may be curving ... the graph can't tell us that. But a, c, and d are DEFINITELY showing acceleration.

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3 years ago
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<span>D) Electromagnetic radiation travels in the form of longitudinal waves.</span>
3 0
2 years ago
The radius of a sphere is increasing at a rate of 4 mm/s. How fast is the volume increasing when the diameter is 60 mm?
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V = [4/3]π r^3 => [dV / dr ] = 4π r^2

[dV/dt] = [dV/dr] * [dr/dt]

[dV/dt] = [4π r^2] * [ dr/ dt]

r = 60 mm, [dr / dt] = 4 mm/s

[dV / dt ] = [4π(60mm)^2] * 4mm/s = 180,955.7 mm/s 


5 0
3 years ago
What type of device forms images through reflection?<br> Answer: Any mirror
inysia [295]

Answer:

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3 years ago
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tensa zangetsu [6.8K]

Answer:

The answer will be <em>D</em>

Explanation:

I choose answer <em>C</em> and got it wrong on the test. Also Liquid atoms vibrate fast and slide past each other. what answer <em>C </em>shows is a gas.

8 0
2 years ago
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