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kati45 [8]
3 years ago
8

What is your average speed if you walk 2 kilometers in 20minutes

Physics
2 answers:
goldenfox [79]3 years ago
3 0

Answer:

12 km/hr

Explanation:

Speed= Distance/Time

taurus [48]3 years ago
3 0

Answer:

12km/h

Explanation:

average speed= Distance covered /time taken

average speed=2km/20minutes

=but 1 minutes is 60 seconds

=2km/60minutes

=12km/h

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Water runs into a fountain, filling all the pipes, at a steady rate of 0.750 m3>s. (a) How fast will it shoot out of a hole 4
kati45 [8]

Answer:

velocity  = 472 m/s

velocity = 52.4 m/s

Explanation:

given data

steady rate = 0.750 m³/s

diameter = 4.50 cm

solution

we use here flow rate formula that is

flow rate = Area × velocity .............1

0.750 = \frac{\pi }{4} × (4.50×10^{-2})²  × velocity

solve it we get

velocity  = 472 m/s

and

when it 3 time diameter

put valuer in equation 1

0.750 = \frac{\pi }{4} × 3 ×  (4.50×10^{-2})²  × velocity

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3 years ago
is a persons DNA likely to be more similar to the DNA of his biological parents or to the DNA of one of his first cousins
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4 0
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creativ13 [48]

Answer:

Explained

Explanation:

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How to find the sum of a convergent series
Harlamova29_29 [7]

The formula that can be used to obtain a convergent series is given by;

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<h3>What is a series?</h3>

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The formula that can be used to obtain a convergent series is given by;

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mars1129 [50]
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