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jonny [76]
3 years ago
10

Why scientists collect data about the moon?

Physics
1 answer:
Strike441 [17]3 years ago
6 0

Explanation:

Scientists collect data for decades after Apollo 11's return to earth. Finding include that the moon is moving farther away from earth and that the universal force of gravity is stable.

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Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
photoshop1234 [79]

Your answer would be A):Organize a laboratory in Germany.

8 0
3 years ago
Only the smallest particles of soil can be displaced by suspension because
mote1985 [20]
<span>The choices can be found elsewhere and as follows:

</span><span>a. they are so small that they stay close to the ground due to the attractive properties of charged soil particles.

b. they are easily carried by the wind.

c. they easily dissolve in liquid droplets.

d. it is easier for then to roll along the small crevices in the ground.</span><span>

</span>I think the correct answer from the choices listed above is option B. Only the smallest particles of soil can be displaced by suspension because they are so small that they are easily carried by the wind. Hope this answers the question. Have a nice day. Feel free to ask more questions.
7 0
3 years ago
Read 2 more answers
Is a personal trainer considered a doctor?
Temka [501]
No, personal trainers and doctors have very different careers. Though they both do well for the body and health.
4 0
3 years ago
Can you make predictions about the Moon's appearance?
Digiron [165]

Answer:

answer: no

Explanation:

5 0
2 years ago
A 7kg block slides down a 30 degree slope at a constant velocity of 2 m/s. How big is the force of friction acting on the block?
lisabon 2012 [21]

The force of friction is <u>34.3 N.</u>

A block of mass m slides down a plane inclined at an angle θ to the horizontal with a constant velocity.  According to Newton's first law of motion, every body continues in its state of rest or a state of uniform motion in a straight line, unless acted upon, by an external unbalanced force. This means that when balanced forces act on a body, the body moves with a constant velocity.

The free body diagram of the sliding block is shown in the attached diagram. Resolve the weight mg of the block into two components  mg sinθ along the direction of the plane and mg cosθ perpendicular to the plane . The force of friction   F acts upwards along the plane  and the normal reaction acts perpendicular to the plane.

Since the block moves down with a constant velocity, the downward force mg sinθ must be equal to the upward frictional force.

F = mg sin\theta

Substitute 7 kg for m, 9.8 m/s² for g and 30° for θ.

F = mg sin\theta = (7 kg)(9.8 m/s^2)(sin30^o) =34.3 N

The force of friction is <u>34.3 N</u> up the plane.


6 0
3 years ago
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