3 years ago

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Physics

1 answer:

alekssr [168]3 years ago

8 0

Answer:

the answer to the first one is B and the second one is c I hope I got them right

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The tuner begins by muting the right and center A4 strings. He then strikes the A4 key, and tunes the left A4 string to be exact

Anna [14]

Answer:

f= 440.4 Hz or f= 439.6 Hz

Explanation:

In this exercise we have two waves with slightly different frequencies, the A4 chord with f = 440 Hz and the beating with the central chord fbeats = 0.40 Hz, let's use the relation

f_{beat} = | f - f₀ |

f = fo + - f _{beat}

f = 440 + 0.4 = 440.4 Hz

f = 440-0.4 = 439.6 Hz

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3 years ago

A car travels 210 miles in t hours at a speed of r mph. if the car travels half as fast but five times as long, how far does it

Kobotan [32]

The car travls 400mph

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3 years ago

A basketball player jumps straight up with a speed of 14 m/s. How high did the player jump?

alexira [117]

Answer:

<em>The basketball player jumped 10 m high.</em>

Explanation:

<u>Vertical Launch Upwards </u>

In a vertical launch upwards, an object is launched vertically up without taking into consideration any kind of friction with the air.

If vo is the initial speed and g is the acceleration of gravity, the maximum height reached by the object is given by:

$\displaystyle h_m=\frac{v_o^2}{2g}$

The basketball player jumps up with a speed of vo=14 m/s. The maximum height is:

$\displaystyle h_m=\frac{14^2}{2*9.8}$

$\displaystyle h_m=\frac{196}{19.6}=10$

The basketball player jumped 10 m high.

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3 years ago

In physics the word medium means

Nadusha1986 [10]

Answer:

the answer is C a material or substance

Explanation:

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3 years ago

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Your boss tells you that she needs a decision by the end of the day about the machine you want to purchase for your new operatio

IrinaK [193]

Option 4 is your best answer, or letter B, because it has better work efficiencies than the other options and has a price that is in the middle of too costly and cheap,

hope this answer helps you out

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4 years ago