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Vlad [161]
3 years ago
12

How many calendar days pass between the new moon and full moon?

Physics
2 answers:
Ber [7]3 years ago
7 0
<span>Moon 29 days 12 hours 44 minutes to go from one new Moon to the next</span>
german3 years ago
4 0
The complete cycle of phases lasts 29.531 days. 

From New Moon to Full Moon is half of that . . . 14.765 days,
which is very close to 2 weeks.
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A 12 g plastic ball is dropped from a height of 2.5 m and is moving at 3.2 m/s just before it hits the floor. How much mechanica
Nataly [62]

Answer:

0.24

Explanation:

Mass of ball= 12g=0.012Kg

height of ball= 2.5m

velocity of ball before falling= 3.2m/s

potential energy of the ball=mgh= 0.012*10*2.5=0.3J

kinetic energy of the ball=0.5*mv^{2}=0.5*0.012*3.2*3.2=0.6J

Loss in mechanical energy during the fall= potential energy- Kinetic energy= 0.3-0.06=0.24J

note: During the fall, the potential energy of the ball is converted to kinetic energy. the loss in energy is due to air resistance.

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3 years ago
Answer please 98 points also brainliest
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Answer:

friction can be used to slow things down but it can also be harmful because it can cause fire to start

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3 years ago
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A bumblebee darts past at 3 m/s. The frequency of the hum made by its wings is 152 Hz. Assume the speed of sound to be 342 m/s.
Veronika [31]

It'll be 152 Hz at the exact instant the bumblebee
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Before he gets there, while he's coming at you,
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After he passes by, and is going away from you,
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Which of the following is most useful to determine how much energy is being used by a circuit in a given amount of time?
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Answer:

The answer is A.

Explanation:

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