3 years ago

Which of the following provides evidence that Earth's Moon is rotating and revolving at the same rate?

Physics

1 answer:

kkurt [141]3 years ago

6 0

B. We can see only one side of the Moon from Earth.

( we only see one side of the moon because the moon rotates around the Earth)

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Look at this picture of a frog.

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Answer:

Biosphere

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The biosphere consist of all living organisms

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Mechanical advantage of a machine can be increased by designing it for:

Tems11 [23]

Answer:(4).

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An astronaut on a small planet wishes to measure the local value of g by timing pulses traveling down a wire which has a large o

Alekssandra [29.7K]

Answer:

$0.53m/s^2$

Explanation:

We are given that

Mass of wire=m=3.6 g= $3.6\times 10^{-3} kg$

1 kg=1000 g

Length of wire=l=1.6 m

Mass of object=m'=3 kg

Time,t=60.1 ms= $60.1\times 10^{-3} s$

$1 ms=10^{-3} s$

Speed,v= $\frac{distance}{time}=\frac{1.6}{60.1\times 10^{-3}}=26.62 m/s$

$g=\frac{v^2m}{m'l}$

Using the formula

$g=\frac{(26.62)^2\times 3.6\times 10^{-3}}{3\times 1.6}=0.53m/s^2$

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3 years ago

Help with Order of Magnitude question?

solong [7]

The rotation of Earth is equivalent to one day which is comprised of 24 hours. To determine the number of miles in Earth's circumference, one simply have to multiply the given rate by the appropriate conversion factor and dimensional analysis. This is shown below.

C = (1038 mi/h)(24 h/1 day)
C = 24,912 miles

From the given choices, the nearest value would have to be 20,000 mile. The answer is the second choice.

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3 years ago

When rocks experience high temperatures and differential stresses deep in the earth, their grains tend to ________?

pochemuha

Break into small particles. The heat causes the rock to break up and form pebbles or sand. Hope that helped. Have a nice day

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