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Rainbow [258]
3 years ago
9

What carved the sharp features of this mountain

Physics
2 answers:
sladkih [1.3K]3 years ago
7 0
That depends on which mountain you're talking about.
olganol [36]3 years ago
5 0

Answer:

Glacieral ice

Explanation:

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Salmon often jump waterfalls to reach their breeding grounds. Starting downstream, 3.18 m away from a waterfall 0.294 m in heigh
Karolina [17]

Answer:

v = 7.65 m/s

t = 0.5882 s

Explanation:

We are told that the salmon started downstream, 3.18 m away from a waterfall.

Thus, range = 3.18 m

Since the horizontal velocity component is constant, then;

Range = vcosθ × t

Thus,

vcosθ × t = 3.18 - - - (eq 1)

We are told the salmon reached a height of 0.294 m

Thus, using distance equation;

s = v_y•t + ½gt²

g will be negative since motion is against gravity.

s = v_y•t - ½gt²

Thus;

0.294 = v_y•t - ½gt²

v_y = vsinθ

Thus;

0.294 = vtsinθ - ½gt² - - - (eq 2)

From eq(1), making v the subject, we have;

v = 3.18/tcosθ

Plugging into eq 2,we have;

0.294 = (3.18/tcosθ)tsinθ - ½gt²

0.295 = 3.18tanθ - ½gt²

We are given g = 9.81 m/s² and θ = 45°

0.295 = (3.18 × tan 45) - ½(9.81) × t²

0.295 = 3.18 - 4.905t²

3.18 - 0.295 = 4.905t²

4.905t² = 2.885

t = √2.885/4.905

t = 0.5882 s

Thus;

v = 3.18/(0.5882 × cos45)

v = 7.65 m/s

8 0
3 years ago
What do diffraction and refraction have in common? pick only one
evablogger [386]
B. they both involve wave interaction.

8 0
3 years ago
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Which data set has the largest range?
likoan [24]

Answer:

ummm there is nothing attached :(

Explanation:

3 0
3 years ago
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In Science, what is a model?
abruzzese [7]

I'm not sure about the "in nature" part but i think its A

8 0
3 years ago
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How fast is a ball rolling if it contains 98 j of kinetic energy and has a mass of 4kg
zysi [14]

Answer:

the ball is rolling 7m/s

Explanation:

Formula for kinetic energy: 1/2mv²

K = 1/2mv²

98 = 1/2(4)v²

98 = 2v²

49 = v²

√49 = v

7 = v

4 0
3 years ago
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