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sukhopar [10]
4 years ago
6

The phases of the moon occur because the moon revolves around the earth. True False

Physics
1 answer:
Ira Lisetskai [31]4 years ago
7 0

Answer: True

Explanation:
The phases occur because the sun lights different parts of the moon as the moon revolves around the earth
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Connecting math to physics
pishuonlain [190]
Interesting I guess not much you put
8 0
3 years ago
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1. What is the momentum of a 0.15 kg arrow that is traveling at 120 m/s?
Korvikt [17]

For this case we have that by definition, the momentum equation is given by:

p = m * v

Where:

m: It is the mass

v: It is the velocity

According to the data we have:

m = 0.15 \ kg\\v = 120 \frac {m} {s}

Substituting:

p = 0.15 * 120\\p = 18 \frac {kg * m} {s}

On the other hand, if we clear the variable "mass" we have:

m = \frac {p} {v}

According to the data we have:

p = 250 \frac {kg * m} {s}\\v = 5 \frac {m} {s}\\m = \frac {250} {5}\\m = 50 \ kg

Thus, the mass is 50 \ kg

Answer:

p = 18 \frac {kg * m} {s}\\m = 50 \ kg

3 0
3 years ago
A(n) ______ is matter that is composed of one type of atom.<br><br><br><br><br>answerd::: An Element
OverLord2011 [107]
The answer would me an element
7 0
4 years ago
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Three different people weight a standard mass of 2.00 g on the same balance. Each person obtains a reading of 2.32 g for the mas
Lubov Fominskaja [6]

Answer: precise

Explanation:

Three different people weight a standard mass of 2.00 g on the same balance. Each person obtains a reading of 2.32 g for the mass of the standard. These results imply that the balance that was used is precise.

Precision can be defined as the closeness of measured values to each other, for a measuring equipment it is the closeness of the values of readings obtained at different times to each other. It does not necessarily means the measurements are accurate(closeness to the actual value). Therefore, in the case above where three different people measured the same mass on the same balance, and each of them obtained the same value which is different from the standard value. We can say the balance used is precise because the three readings are the same.

5 0
3 years ago
.In real life, a given system can approach equilibrium from different starting points but will still have the same equilibrium c
Degger [83]
<span>It does not matter where the system starts but it will reach to an equilibrium state when the equilibrium ratio is reached.

hope it helps </span>
5 0
3 years ago
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