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antoniya [11.8K]
3 years ago
12

Explain how microorganisms are friend and foe.​

Physics
1 answer:
Helga [31]3 years ago
8 0

Answer:

Because they are beneficial

Explanation:

There are microorganisms in our large intestine that synthesis vitamins and allow them to be absorbed into the bloodstream. However a tiny minority are pathogens (disease-causing agents). These pathogens often called germs or bugs, are a threat to all life forms.

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The answer is 0.68 meters per second, swagteam
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The tsunami described in the passage produced a very erratic pattern of damage, with some areas seeing very large waves and near
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Answer:B. The superposition of waves from the primary source and reflected waves produced regions of constructive and destructive interference.

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Superimposition of wave is the movement of one wave on another,it can be constructive or destructive.

Constructive interference is a wave interference that take place causing the Crest of one wave to align with that of another wave leading to high amplitude.

Destructive interference is a wave interference that take place causing the Trouph of one wave to align with the crest of another wave leading to low amplitude wave.

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3 years ago
I need to know the answer to number 4
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I learned this one in Middle School too

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ΩΩΩΩΩΩΩΩΩΩ
8 0
3 years ago
A bullet of mass 6.20 10-3 kg, moving at 1320 m/s impacts a tree stump and penetrates 11.00 cm into the wood before coming to re
sladkih [1.3K]

Answer:

  F = -49.1   10³ N

Explanation:

Let's use the kinematics to find the acceleration the acceleration of the bullet that they tell us is constant

   v_{f}² = v₀² + 2 a x

Since the bullet is at rest, the final speed is zero

    x = 11.00 cm (1 m / 100 cm) = 0.110 m

    0 = v₀² + 2 a x

   a = -v₀² / 2 x

   a = -1320²/(2 0.110)

   a = -7.92 10⁶ m / s²

With Newton's second law we find the force

   F = m a

   F = 6.20 10⁻³ (-7.92 10⁶)

   F = -49.1   10³ N

The sign means that it is the force that the tree exerts to stop the   bullet

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A 25kg steel block rests on a horizontal steel surface. Calculate the maximum horizontal force P, that can be applied onto the b
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