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goldfiish [28.3K]
2 years ago
10

Ytuugtfghrddfghjiuyhhffdfvhj

Physics
2 answers:
irga5000 [103]2 years ago
8 0
Urgnccrfnccntuhcrjfnccnnccntjgjctgc thank you
Tema [17]2 years ago
4 0

Answer:

hwjsjsjsjksksnsjkdkdnnd

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During the first 6 years of its operation, the Hubble Space Telescope circled the Earth 37,000 times, for a total of 1,280,000,0
oksian1 [2.3K]

Answer:

v = 384km/min

Explanation:

In order to calculate the speed of the Hubble space telescope, you first calculate the distance that Hubble travels for one orbit.

You know that 37000 times the orbit of Hubble are 1,280,000,000 km. Then, for one orbit you have:

d=\frac{1,280,000,000km}{37,000}=34,594.59km

You know that one orbit is completed by Hubble on 90 min. You use the following formula to calculate the speed:

v=\frac{d}{t}=\frac{34,594.59km}{90min}=384.38\frac{km}{min}\approx384\frac{km}{min}

hence, the speed of the Hubble is approximately 384km/min

5 0
2 years ago
A student made a model of isostasy by placing a block of wood in a beaker of water. What does the water in the beaker represent
Setler [38]
The answer is C. the earths mantle because the wood in this case is the surface
6 0
2 years ago
Read 2 more answers
In June 21 are there more hours of daylight in San Francisco or the equator explain
jonny [76]

Answer:

There would be more hours of sunlight at the equator

4 0
3 years ago
Which substance has a melting point greater than room temperature?
blagie [28]

Answer:

I think the answer is D.)

Explanation:

If it means something needs to melt into liquid i would have gone with B.) or C.) but since it doesn't specifiy. I thought D.) since all you have to do is heat it and it melts or boils.

4 0
2 years ago
You are watching a wave with a frequency of 512 Hz go past. How many peaks of the wave go past you each minute?
inna [77]

Answer:

61440 peaks

Explanation:

A hertz represents one cycle for every second:

f= Hz=\frac{1}{s}

So if a wave have frequency of 2Hz for example, this means the wave does two cycles per second.

Normally the waves are represented by cosine or sine waves. These kind of waves have two peaks in each cycle, one positive and one negative. With this in mind, let's calculate how many peaks of the wave pass each minute.

A minute has 60 seconds, hence:

60*512=30720\hspace{3}cycles\hspace{3}per\hspace{3}minute

And we know already that every cycle has two peaks, so:

30720*2=61440\hspace{3}peaks\hspace{3}per\hspace{3}minute

4 0
2 years ago
Read 2 more answers
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