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3 years ago

12

A book is sitting on a table until I decide I needed more room sol pushed it 2 points

1 answer:

EleoNora [17]3 years ago

5 0

Answer:

is their a picture or something

Explanation:

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What will happen if we heat metal for long time

viva [34]

Answer:

the metal will melt

Explanation:

from solid to liquid

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How an application of atmospheric device work?example siphon

Vika [28.1K]

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A practical siphon, operating at typical atmospheric pressures and tube heights, works because gravity pulling down on the taller column of liquid leaves reduced pressure at the top of the siphon (formally, hydrostatic pressure when the liquid is not moving).

I hope it's helpful!

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3 years ago

A person wants to make a metronome for music practice. He uses a 35-g object attached to a spring to serve as the time standard.

alukav5142 [94]

To develop this problem it will be necessary to apply the concepts related to the frequency of a spring mass system, for which it is necessary that its mathematical function is described as

$f = \frac{1}{2\pi} \sqrt{\frac{k}{m}}$

Here,

k = Spring constant

m = Mass

Our values are given as,

$m = 35g = 35*10^{-3}kg$

$f = 1 Hz$

Rearranging to find the spring constant we have that,

$k = (2\pi f \sqrt{m})^2$

$k = 4\pi^2 f^2 m$

$k = (4) (\pi)^2 (1) (35*10^{-3})$

$k = 1.38N/m$

Therefore the spring constant is 1.38N/m

7 0

4 years ago

Ride and average of 15mph for 30 miles, how long does it take?

dalvyx [7]

Answer:

2 hrs

Explanation:

time = distance ÷ speed

3 0

4 years ago