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Amanda [17]
3 years ago
15

Answer the following questions based on the

Physics
2 answers:
serious [3.7K]3 years ago
4 0
Post a photo of the article
Taya2010 [7]3 years ago
3 0

Answer:

Explanation:

As the other helper said, we need to read the article to help.

In general stem-cell research needs samples for experiment. The most commonly used ones are embryonic stem cells from embryos. People relate that source to abortion. So there are a lot of debates.

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Make the ramp longer

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What is the best description of a mechanical wave?
gizmo_the_mogwai [7]

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A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium. While waves can move over long distances, the movement of the medium of transmission—the material—is limited. Therefore, the oscillating material does not move far from its initial equilibrium position.

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A wave created by shaking a rope up and down is called a.
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1 year ago
Why it is advise to clean the ends of connecting wires before connecting them?
Svetradugi [14.3K]
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5 0
2 years ago
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A rocket moves upward from rest with an acceleration of 40 m/s2 for 5 seconds. It then runs out of fuel and continues to move up
Snezhnost [94]

Answer:

Maximum height of rocket  = 2538.74 m

Explanation:

We have equation of motion s = ut + 0.5 at²

For first 5 seconds

          s = 0 x 5 + 0.5 x 40 x 5² = 500 m

Now let us find out time after 5 seconds rocket move upward.

We have the equation of motion v = u + at

After 5 seconds velocity of rocket

         v = 0 + 40 x 5 = 200 m/s

After 5 seconds the velocity reduces 9.8m/s per second due to gravity.

Time of flying after 5 seconds

          t=\frac{200}{9.81}=20.38s

Distance traveled in this 20.38 s

          s = 200 x 20.38 - 0.5 x 9.81 x 20.38² = 2038.74 m

Maximum height of rocket = 500 +2038.74 = 2538.74 m

6 0
3 years ago
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