2 years ago

What is the amount of matter in an object is called?

2 answers:

6 0

Answer: Mass is the amount of mass an object contains. Mass is measured using a scale. Volume is the amount of space matter takes up.

hope this help!! :) :)

Sedbober [7]2 years ago

3 0

Answer:

mass

Explanation:

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When you go out into the sun, the UV light can give you a tan. UV light has a frequency of 7.89 x 1014 Hz. What is the wavelengt

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Explanation:

Formula and givens

λ = c / f
λ is the wavelength
c = the speed of light
f = the frequency
c = 3*10^8
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λ = ?

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6 0

2 years ago

Water flows through a cylindrical pipe of varying cross-section. The velocity is 3.0 m/s at a point where the pipe diameter is 1

Setler79 [48]

Answer:

The flow rate is $R =2.357 *10^{-4} \ m^3/s$

Explanation:

From the question we are told that

The velocity is $v = 3.0 \ m/s$

The diameter of the pipe is $d = 1.0 \ cm = 0.01 \ m$

The radius of the pipe is mathematically represented as

$r = \frac{d}{2}$

substituting values

$r = \frac{0.01}{2}$

$r = 0.005 \ m$

The flow rate is mathematically represented as

$R = v * A$

Where is the cross-sectional area of the pipe which is mathematically evaluated as

$A = \pi r^2$

substituting values

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$A = 7.855 * 10^{-5} \ m^2$

$R = 3.0 * 7.855 *10^{-5}$

$R = 2.357*10^{-4} \ m^3 /s$

8 0

2 years ago

What is the amount of matter in an object is called?​

What is the amount of matter in an object is called?