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ahrayia [7]
3 years ago
10

Any help????????????

Physics
2 answers:
kolezko [41]3 years ago
5 0
(-2,2) is the answer
pashok25 [27]3 years ago
3 0
The answer should be D
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What is the equation of instantaneous velocity<br>​
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Answer:

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In music, the note G above middle C has a frequency of about 392 hertz. If the speed of sound in the air is 340 m/s, what is the
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Explanation:

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3 years ago
A 2 m tall, 0.5 m inside diameter tank is filled with water. A 10 cm hole is opened 0.75 m from the bottom of the tank. What is
valina [46]

Answer:

4.75 m/s

Explanation:

The computation of the velocity of the existing water is shown below:

Data provided in the question

Tall = 2 m

Inside diameter tank = 2m

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Based on the above information, first we have to determine the height which is

= 2 - 0.75 - 0.10

= 2 - 0.85

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2. Stream line followed

Now applied the Bernoulli equation to section 1 and 2

So we get

\frac{P_1}{p_g} + \frac{v_1^2}{2g} + z_1 = \frac{P_2}{p_g} + \frac{v_2^2}{2g} + z_2

where,

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Now

\frac{v_1^2}{2g} + 0 = \frac{v_2^2}{2g} + h\\\\V_2 < < V_1 or V_2 = 0\\\\Therefore\  \frac{v_1^2}{2g} = h\\\\v_1^2 = 2gh\\\\ v_1 = \sqrt{2gh} \\\\v_1 = \sqrt{2\times 9.8\times 1.15}

= 4.7476 m/sec

= 4.75 m/s

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3 years ago
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Which of the following statement is not true about machines?
viva [34]
The answer to this question is D or the last one 

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3 years ago
Read 2 more answers
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