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Nookie1986 [14]
2 years ago
14

Prove that density of 5l of water is 1000

Physics
1 answer:
atroni [7]2 years ago
4 0

Density can be found when mass and volume is known. The density of 5 liter of water is 1000kg/m³.

<h3>What is density?</h3>

The density ρ of any substance is the ratio of mass m and its volume V.

ρ = m/V

Given is the mass of water as 5 kg and the volume is 5 liter.

as, 1 L = 10−³m³

So, 5 L = 5×10−³m³

Then, density would be

ρ = 5kg / 5×10−³m³

ρ = 1000 kg/m³

Thus, the density of 5l of water is 1000kg/m³.

Learn more about density.

brainly.com/question/15164682

#SPJ1

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Light of wavelength 510 nm is used to illuminate normally two glass plates 24.3 cm in length that touch at one end and are separ
bulgar [2K]

Answer:

m = 180 \ bright \ fringes

Explanation:

From the question we are told that

    The  wavelength is  \lambda  =  510 \ nm = 510 *10^{-9} \  m

    The length of the of the plate is  l  =  24.3 \ cm  =  0.243 \  m

    The radius of the wire  is r=  0.023 \ mm  =  2.3 *10^{-5} \ m

Generally the diameter of the wire which is the distance between the glass  plates is mathematically represented as

             d =  2 *   r

=>          d =  2 *   2.3 *10^{-5}

=>          d =  4.6 *10^{-5} \  m

 Generally the condition for constructive interference is mathematically represented as

           2 *d = m \lambda

=>        m = \frac{2d}{\lambda}

=>        m = \frac{2 * (4.6* 10^{-5})}{ 510 *10^{-9} }

=>        m = 180 \ bright \ fringes

3 0
2 years ago
Which of the following is NOT true about essential body fat? A. The human body would not function normally without essential bod
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Answer:

I believe it is A. The human body would not function normally without essential body fat.

Explanation:

6 0
3 years ago
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The rotating blade of a blender turns with constant angular acceleration of 1.51 rad/s^2. How much time does it take to reach an
yawa3891 [41]

time to reach an angular velocity of 36.8 is 24.370 s.

<h3></h3><h3>What is angular acceleration?</h3>

The temporal rate at which angular velocity changes is referred to as angular acceleration. Naturally, there are two forms of angular acceleration, referred to as spin angular acceleration and orbital angular acceleration, just as there are two types of angular velocity, namely spin angular velocity and orbital angular velocity. As opposed to orbital angular acceleration, which is the angular acceleration of a point particle around a fixed origin, spin angular acceleration describes the angular acceleration of a rigid body about its centre of rotation.

w(t) = w(0) + α*t

also w(0) =0

=> time = 36.8/1.51= 24.370 s

to learn more about angular acceleration go to - brainly.com/question/21278452

#SPJ4

6 0
2 years ago
Please help! The image produced by a concave mirror is ? .
Alexeev081 [22]

Answer:

is a reflection.

The image is real light rays actually focus at the image location). As the object moves towards the mirror the image location moves further away from the mirror and the image size grows (but the image is still inverted). When the object is that the focal point, the image is at infinity.

Explanation:

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