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qwelly [4]
3 years ago
5

Radio waves, which travel at the speed of light, are used to communicate with satellites in space. If a message from flight cont

rol requires 170 seconds to reach a satellite, how far, in kilometers, is the satellite from Earth?
Chemistry
1 answer:
Burka [1]3 years ago
7 0

Answer:

Is this on edgenuity or some type of virtual school Lmk and then i could help !

Explanation:

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How much heat is needed to raise the temperature of 100g of an iron from 25°C to
Black_prince [1.1K]

Answer:

382.5J

Explanation:

<em>Use the formula:</em>

E = mcΔθ or Q = mcΔT

m = 100g

c = 0.45 J/g°C

ΔT or Δθ = 110 - 25 = 85°

<em>Sub in the values:</em>

E = 100 × 0.45 × 85

= 382.5J

5 0
2 years ago
HELP ME PLEASE
Alika [10]

Answer: it is a good conductor of electriciy tht is what wires are made of and it is a good conductor of heat so it will be able to handle the heat from the electricity

Explanation:

7 0
3 years ago
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8. Neil pogo sticks from his locker to his science class. He travels 8 m east then 8 m west
jeyben [28]

Answer:

12

Explanation:

5 0
3 years ago
Diamond has a density of 3.26 g/cm^3. What is the mass of a diamond that has a volume of 25 cm^3?
givi [52]

Answer:

<h2>81.5 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question we have

mass = 25 × 3.26

We have the final answer as

<h3>81.5 g</h3>

Hope this helps you

4 0
2 years ago
Please help me out i'm new here but i really need help for science (if you need help with any hw like ela i can help!) (50 point
andrezito [222]
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