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nasty-shy [4]
3 years ago
15

Please kind sir/lady help me with my home work UvU

Physics
1 answer:
Fiesta28 [93]3 years ago
8 0

yes

Explanation:

the endorsment is successful because Jordan shoe is a imported brand

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A flea jumps straight up to a maximum height of 0.490 m . What is its initial velocity v0 as it leaves the ground?
zzz [600]

Answer:

\huge\boxed{\sf v_o=3.1\ m/s}

Explanation:

<u>Given Data:</u>

Acceleration due to gravity = g = -9.8 m/s²

Maximum Height = h = 0.490 m

At h, v_f = 0

<u>Required:</u>

v_o=?

<u>Formula:</u>

2gh=v_f^2-v_o^2

<u>Solution:</u>

Put the givens

2 (-9.8) (0.490) = (0)\² - v_o^2\\\\-9.604=-v_o^2\\\\9.604=v_o^2\\\\Take \ sqrt\ on \ both \ sides\\\\\sqrt{9.604}=v_o^2\\\\3.1 \ m/s=v_o\\\\v_o=3.1\ m/s\\\\\rule[225]{225}{2}

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3 years ago
The crowd at a concert lifts a singer to a height of 2.2 m. The crowd uses a total of force of 600 N. How much work has the crow
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Answer:

<h2>1320 J</h2>

Explanation:

The work done by an object can be found by using the formula

workdone = force × distance

From the question we have

workdone = 600 × 2.2

We have the final answer as

<h3>1320 J</h3>

Hope this helps you

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