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Lady_Fox [76]
3 years ago
11

Whats v= π r^2h ; (h)

Mathematics
1 answer:
evablogger [386]3 years ago
4 0
It's the formula for the volume of a cylinder with radius r and height h.
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A certain radioactive isotope has a half-life of 15 days. If one is to make a table showing the half-life decay of a sample of t
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A half-life of the isotope is 15 days and at start its mass is 32 g.
A table:
              t:                 m:
              0                32 g
             15               16 g
             30                 8 g
             45                 4 g
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             75                 1 g
In the first column is used an arithmetic sequence ( a 1 = 0, d = 15 ).
In the second column is used a geometric sequence ( a 1 = 32, r = 1/2 )                       
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3 years ago
Which measurement is most accurate to describe the amount of water a teaspoon could hold?
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Your answer is A.) 5mL
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3 years ago
Mike just hopped on the edge of a merry-go-round. What are his linear and angular speeds if the diameter of the merry-go-round i
dsp73

Step-by-step explanation:

Given that,

The diameter of the merry-go-round, d = 14 feet

Time taken, t = 6 seconds

Radius, r = 7 feet

The linear speed of the merry-go-round is given by :

v=\dfrac{2\pi r}{t}\\\\v=\dfrac{2\pi \times 7}{6}\\\\=7.33\ m/s

Also,

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Where

\omega is the angular speed

So,

\omega=\dfrac{v}{r}\\\\\omega=\dfrac{7.33}{7}\\\\=1.04\ rad/s

Hence, his linear and angular speeds are 7.33 m/s and 1.04 rad/s.

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Add a picture please?
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3 years ago
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What name is given to quadrilaterals in which the diagnosis are equal in length and bisect each other?
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Answer:

Did you mean the diagonal are equal in length and bisect each other?

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Hope this helps!

:)

8 0
3 years ago
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