3 years ago

Which is the basis of the major rock classifications?

Physics

1 answer:

sattari [20]3 years ago

7 0

The answer would be B the method of rock formation

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Melanie watched the path a baseball followed after a pitcher threw it. She noticed that the ball traveled horizontally away from

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Explanation:

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3 years ago

Vectors are an important part of the language of science, mathematics, and engineering.

tensa zangetsu [6.8K]

Answer:

a. True

Explanation:

Vectors are an important part of the language of science, mathematics, and engineering.

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2 years ago

Scientists are studying a moving glacier. To monitor the flow of the glacier, they place a series of five markers, A, B, C, D, a

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I think it is B I have a 94 in phisics

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4 years ago

A flute is designed so that it plays a frequency of 261.6 Hz, middle C, when all the holes are covered and the temperature is 20

irinina [24]

Answer:

0.655 m

13.468°C

Explanation:

v = Speed of sound at 20.0°C = 343 m/s (general value)

For one both end open we have the expression

$L=\dfrac{\lambda_1}{2}\\\Rightarrow L=\dfrac{\dfrac{v}{f_1}}{2}\\\Rightarrow L=\dfrac{\dfrac{343}{261.6}}{2}\\\Rightarrow L=0.655581039755\ m$

The length of the flute is 0.655 m

Beat frequency is given by

$\Delta f=f_1-f_2\\\Rightarrow 3=261.6-f_2\\\Rightarrow f_2=261.6-3\\\Rightarrow f_2=258.6\ Hz$

Velocity of the wave is

$v=f_2\lambda_1\\\Rightarrow v=258.6\times \dfrac{343}{261.6}\\\Rightarrow v=339.066513761\ m/s$

The temperature is given by

$T=273(\dfrac{v}{331})^2\\\Rightarrow T=273(\dfrac{339.066513761}{331})^2\\\Rightarrow T=286.468227799\ K=286.468227799-273=13.468227799^{\circ}C$

The temperature of the room is 13.468°C

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3 years ago

How would you describe the motion of all three vehicles?

Angelina_Jolie [31]

Answer:In physics, motion is defined as a change in the position of a body with respect to a reference point. ... Think about the motion of three cars: one in the fast-moving carpool lane, another in the middle lane, and the third in the slow lane used to enter or exit the freeway.

Explanation:

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3 years ago