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pentagon [3]
3 years ago
11

Is the ability to dissolve in water a physical properly?

Physics
1 answer:
Zigmanuir [339]3 years ago
7 0
Yes it is a physical property
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Renewable energy sources are ____________________?
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Eco-friendly

Explanation:

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What is a free electron? Can someone help?
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3 years ago
What force is required to accelerate a 385 kg couch at 0.2 m/s^2 ?
Juliette [100K]

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It takes 77 N

Explanation:

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6 0
3 years ago
The apparent height of a building 10.5 km away is 0.02 radians. What is the approximate height of the building to the nearest me
Ksenya-84 [330]

Answer:

Approximate height of the building is 23213 meters.

Explanation:

Let the height of the building be represented by h.

0.02 radians = 0.02 × \frac{180^{o} }{\pi }

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0.02 radians  = 1.146°

10.5 km = 10500 m

Applying the trigonometric function, we have;

Tan θ = \frac{opposite}{adjacent}

So that,

Tan 1.146° = \frac{h}{10500}

⇒ h = Tan 1.146° x 10500

      = 2.21074 x 10500

      = 23212.77

h = 23213 m

The approximate height of the building is 23213 m.

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3 years ago
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Answer: It prevents us from seeing most of the galactic disk with visible and ultraviolet light.

(hope this helps) :)

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