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tamaranim1 [39]
3 years ago
11

4/2 (6time y) what shiuld be the answer

Mathematics
1 answer:
tino4ka555 [31]3 years ago
3 0

Answer:

12y i think

Step-by-step explanation:

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If you are 600 m from a batter when you see him hit a ball, how long will you wait to hear the sound of the bat hitting the ball
Molodets [167]

Answer:

<em>The speed of sound at 20°C is 343.42 m/s.</em>

<em>You have to wait 1.75 seconds to hear the sound of the bat hitting the ball</em>

Step-by-step explanation:

<u>Speed of Sound</u>

The speed of sound is not constant with temperature. Generally speaking, the greater the temperature, the greater the speed of sound.

The approximate speed of sound in dry air at temperatures T near 0°C is calculated from:

\displaystyle v_{\mathrm {s} }=(331.3+0.606\cdot T )~~~\mathrm {m/s}

The air is at T=20°C, thus the speed of sound is:

\displaystyle v_{\mathrm {s} }=(331.3+0.606\cdot 20 )~~~\mathrm {m/s}

v_{\mathrm {s} }=343.42\ m/s

The speed of sound at 20°C is 343.42 m/s.

To calculate the time to hear the sound after the batter hits the ball, we use the formula of constant speed motion:

\displaystyle v=\frac{d}{t}

Where d is the distance and t is the time. Solving for t:

\displaystyle t=\frac{d}{v}

Substituting the values v=343.42 m/s and d=600 m:

\displaystyle t=\frac{600}{343.42}

t = 1.75 s

You have to wait 1.75 seconds to hear the sound of the bat hitting the ball

6 0
3 years ago
Does anyone know this
Sophie [7]

Answer:

D

Step-by-step explanation:

your welcome.

5 0
3 years ago
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There are two bowls. One of them has 60 gems and the other has 40 gems. Some of them are red. All the gems from the two bowls ar
uranmaximum [27]

Answer:

60/40

the awnser for the question is 3/2

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Triangle ABC will be dilated according to the rule D Subscript F, 0.25(x,y), where point F is the center of dilation. On a coord
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(1, 0)

Step-by-step explanation:

correct answer

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8c^3 d^2 divided 4cd^2
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Answer: 2c^2

Step by step explanation:

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