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ZanzabumX [31]
3 years ago
12

How are the movements of the Moon in the sky and Earth's rotation about its own axis related? A) The Moon appears to move from E

ast to West due to Earth's East-to-West rotation. B) The Moon appears to move from East to West due to Earth's West-to-East rotation. C) The Moon actually moves from East to West while Earth rotates from West to East. D) The Moon and Earth both move from East to West, but Earth rotates at a lower speed.
Physics
2 answers:
andreyandreev [35.5K]3 years ago
8 0

Answer:

Earth rotates from West to East about its own axis. As a result of this, the Moon changes its position during the night. So the Moon appears to move from East to West in the sky due Earth's West-to-East rotation.

Explanation:

JulsSmile [24]3 years ago
7 0

The moon orbits quite fast: it moves about 0.5 degrees per hour in the sky. In 24 hours it moves 13 degrees. The moon's observed motion eastward results from its physical motion of the moon along its orbit around the Earth. so I think its A .

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2. FAt=p (remember p=mv). A 2.5Jg baseball moving at 8.5m/s to the left is slowed by a tipped
TiliK225 [7]

The force of the tripped catch exerted on the 2.5 Kg ball moving at 8.5 m/s to the Left is 160 N

<h3>Data obtained from the question </h3>
  • Initial velocity (u) = 8.5 m/s
  • Final velocity (v) = 7.5 m/s
  • Time (t) = 5 ms = 0.25 s
  • Mass (m) = 2.5 Kg
  • Force (F) = ?

<h3>How to determine the force</h3>

The force exerted on the ball can be obtained as follow:

F = m(v + u) / t

F = [2.5(7.5 + 8.5)]/ 0.25

F = 40 / 0.25

F = 160 N

Thus, the force exerted on the ball is 160 N

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2 years ago
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Rina8888 [55]
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6 0
2 years ago
What is the equivalent resistance in this circuit?<br><br> What is the current in this circuit?
kramer

All these resistors are in series so we can take the sum of them by:

Rtotal = R1 + R2 + R3......

So...

Rtotal = 2 + 3 + 4 + 6

Rtotal = 15

So now the total resistance in the circuit is 15 ohms and the potential difference applied to the circuit is 45 volts

Now we can use:

V = IR

Isolate for I

V/R = I

45/15 = I

I = 3 amps (A)

3 0
3 years ago
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3 years ago
A person wants to determine the spring constant of an exercise stretch cord. He pulls the cord with a force probe that exerts a
amid [387]

Answer: 180N/m(to 2 significant figures)

Explanation:

According to hooked law which states that the extension of a material is directly proportional to the applied force provided that the elastic limit is not exceeded. Mathematically, F = ke where;

F is the applied force in newtons

k is the elastic/spring constant in N/m

e is the extension in meters

Given applied force = 35N

extension = 20cm = 0.2m

Since F = ke,

k = F/e = 35/0.2

k = 175N/m

The spring constant is 175N/m

= 180N/m (to 2significant figures)

8 0
3 years ago
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