2 years ago

Put the history of the health care industry in order.

Physics

1 answer:

Arisa [49]2 years ago

6 0

Babylon
India submerged bodies
Greek
Microscope

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The weight of a body is 600 N. What is the mass of the body on the surface of the earth?

mamaluj [8]

Explanation:

soln,

weight=600N

mass=?

gravity=9.8 m/s²

now,

mass=weight/gravity
mass=600/9.8
mass=61.22kg

hope it helps.

<h2>stay safe healthy and happy.</h2>

7 0

3 years ago

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A mass of 150 g stretches a spring 1.568 cm. If the mass is set in motion from its equilibrium position with a downward velocity

nadezda [96]

Answer:

$u(t)=\frac{1}{5} sin\ (25t)$

Explanation:

Given:

mass of the body stretching the spring, $m=150\ g$

extension in spring, $\Delta x=1.568\ cm$

velocity of oscillation, $u'(0)=20\ cm.s^{-1}$

initial displacement position of equilibrium, $u(0)=0$

<u>According to given:</u>

$m.g=k.\Delta x$

$150\times 980=k\times 1.568$

$k=93750\ dyne.cm^{-1}$

<u>we know frequency:</u>

$\omega=\sqrt{\frac{k}{m} }$

$\omega=\sqrt{\frac{93750}{150} }$

$\omega=25$

Now, for position of mass in oscillation:

$u= A.sin\ (\omega.t)+B.cos\ (\omega.t)$

$u= A.sin\ (25.t)+B.cos\ (25.t)$

at $t=0;\ u(0)=0\ \Rightarrow A=0$

∴ $u(t)=B.sin\ (25.t)$

∵ at $t=0;\ u'(0)=20\ cm.s^{-1}\ \Rightarrow B=\frac{1}{5}$

$u(t)=\frac{1}{5} sin\ (25t)$

7 0

3 years ago

A mixture of 1.00g h2 and 1.00g he is placed in a 1.00l container at 27 celcius calculate the partial pressure of each gas and t

r-ruslan [8.4K]

<span>PV = nRT moles of H2 = 1/2 = 0.5 moles of He = 1/4 =0.25 T = 273 + 27 partial pressure of H2 Px1 = 0.5x0.083x300 P=12.45 atmospheres PP of He px1 = 0.25x0.083x300 P =6 22 atmospheres Totla pressure = 6.22 + 12.45 = 18.68 atm</span>

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3 years ago

1 - Don't put the coat on the snowman - it will melt him 2 - I don't think the coat will make any difference 3 - I think it will

Vinil7 [7]

Explanation:

I don't think the coat will make any difference

4 0

3 years ago

Which state of matter typically has the highest density

gtnhenbr [62]

Answer:solid

Explanation:

as there is less molecular spacing, solids have more density when compared to that of liquid and gas

8 0

3 years ago

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