3 years ago

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

1 answer:

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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A golf ball is dropped from rest from a height of 9.50 m. It hits the pavement, then bounces back up, rising just 9.70 m before

ipn [44]

The ball is in the air for 27.70m because
9.5+9.7=19.2...
9.7-1.2=8.5...
19.2+8.5=27.70...

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4 years ago

Look at the triangle below.

slega [8]

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:

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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

dedylja [7]

Answer: Final Temperature= 40.57 deg C; Latent Heat of Fusion of Ice= 80.14 cal/g

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,

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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

$f_2$ = Frequency of the instrument

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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Rom4ik [11]

The order of magnitude is 10⁸ .

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3 years ago