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masha68 [24]
3 years ago
9

PLEASE HELP ASAP! ILL GIVE BRAINLIEST IF I GET A GOOD GRADE

Physics
1 answer:
Nata [24]3 years ago
6 0

Answer:I think It looks good, maybe add  A little more info to  pad your chart from getting a bad grade. cant go wrong there!

Explanation:

good luck!

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The ball is in the air for 27.70m because
9.5+9.7=19.2...
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4 years ago
Look at the triangle below.
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Answer:

a = 32.48538491

b = 25.59883264

Step-by-step explanation:

To find the length of a, use the sine function:

sin\alpha = \frac{opposite}{hypotenuse}

sin 38 = \frac{20}{a} \\a = \frac{20}{sin38}\\a = 32.48538491

To find the length of b, use tangent:

tan\alpha = \frac{opposite}{adjacent}

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3 years ago
A calorimeter has aluminum inner cup of mass 120 gram containing 200 ml water at temperature 20 degree Celsius. Brass piece with
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Explanation:

The system is said to be isolated to the surroundings. All energy must remain inside the system. We can state that no loss of energy takes place, thus,

5 0
3 years ago
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Musicians can use beats to tune their instruments. One flute is properly tuned and plays the musical note A at exactly 440 Hz. A
kodGreya [7K]

Answer:

439 Hz

Explanation:

f_1 = Frequency of first wave = 440 Hz

F = Beat frequency = 1 Hz

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The beat frequency is the difference of the two waves which are interacting with each other

F=f_1-f_2\\\Rightarrow 1=440-f_2\\\Rightarrow f_2=440-1\\\Rightarrow f_2=439\ Hz

The frequency of the instrument is 439 Hz

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3 years ago
The established value for the speed of light in a vacuum is 299,792,458 m/s. What is the order-of-magnitude of this number?
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The order of magnitude is 10⁸ .

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3 years ago
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