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nikitadnepr [17]
1 year ago
10

A crane with output power of 200W will lift a 600N object a vertical distance of 4.0 meters in seconds

Physics
1 answer:
Finger [1]1 year ago
8 0
<span>1 w = 1N/s the change in total energy =mgh = 600*4 = 2400N. 2400N/200N/s = 12seconds </span>
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valkas [14]
Inelastic.
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2 years ago
a student drew the following model: volcano cooling crust motion plates tension which landform should the student put next in th
Andrei [34K]

Answer:

C) rift valley

Explanation:

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1 year ago
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EleoNora [17]
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3 0
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valentina_108 [34]

Answer:

3. none of these

Explanation:

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K=\frac{1}{2}I \omega^2

where

I is the moment of inertia

\omega is the angular speed

In this problem, we have two objects rotating, so the total rotational kinetic energy will be the sum of the rotational energies of each object.

For disk 1:

K_1 = \frac{1}{2}I (\omega)^2 = \frac{1}{2}I\omega^2

For disk 2:

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so the total energy is

K=K_1 + K_2 = \frac{1}{2}I\omega^2 + \frac{1}{2}I\omega^2 = I\omega^2

So, none of the options is correct.

5 0
1 year ago
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german

Answer: Got It!

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