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jasenka [17]
3 years ago
13

Which of the following is a fundamental quantity?

Physics
2 answers:
Yuki888 [10]3 years ago
7 0

-- Volume . . . made out of 3 dimensions of length

-- Density . . . made out of mass, and 3 dimensions of length

-- Area . . . made out of 2 dimensions of length

-- Acceleration . . . made out of length and time

<em>Mass</em> is not made out of anything else.  It's fundamental.  A few other fundamental things are length, time, and electric charge.

irga5000 [103]3 years ago
4 0

The fundamental quantity is mass

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To solve this problem it is necessary to apply the concepts related to the geometry of a cylindrical tank and its respective definition.

The volume of a tank is given by

V = \frac{\pi d^2}{4}h

Where

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Considering that there are two stages, let's define the initial and final volume as,

V_0 = \frac{\pi d^2}{4}H

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We know as well by definition that

1gal = 3.785*10^{-3}m^3

Then we have for the statement that

V_f = V_0 -1gal

V_f = V_0 - 3.785*10^{-3}

Replacing the previous data

\frac{\pi d^2}{4}h = \frac{\pi d^2}{4}H- 3.785*10^{-3}

\frac{\pi (3.6)^2}{4}h = \frac{\pi (3.6)^2}{4}(2)- 3.785*10^{-3}

Solving to get h,

h = 1.99963m

Therefore the change is

\Delta h = H-h

\Delta h = 2- 1.99963

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4 0
3 years ago
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Hooke’s law describes the linear relationship between stress and strain through Young’s modulus. Given two materials under the s
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Answer:

The material with higher modulus will stretch less than

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E= stress/stain

Hooks law states that provided the elastic limit is not exceeded the extension e of a spring is directly proportional to the load or force attached

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3 0
3 years ago
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Answer:

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so we know that

\theta_i = \theta_r

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False because faster moving slope would be going up and slower would be going down because its decreasing 
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