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netineya [11]
3 years ago
13

Question 9 Unsaved

Physics
1 answer:
atroni [7]3 years ago
4 0
3.8 is the smallest number because if you multiple the others would be large
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Conceptual Example 14 provides useful background for this problem. A playground carousel is free to rotate about its center on f
S_A_V [24]

For one person standing at a distance of 1.57 m from the center, the carousel has an angular velocity of 0.512 rad/s, the person's mass  is mathematically given as

m = 24.2 kg

<h3>What is the person's mass?</h3>

Generally, the equation for the conservation  angular momentum  is mathematically given as

(I + m * r0^2) * w0 = (I + m * r^2) * w^2

Therefore

(105 + m * 1.78^2) * 0.517 = (105 + m * 0.524^2) * 0.841

m = 24.2 kg

In conclusion, the mass  

m = 24.2 kg

Read more about Mass

brainly.com/question/4931057

4 0
2 years ago
Is a reflection matter?
azamat

Answer:

Yes, because everything bounce off in every surface around any object.

Explanation:

7 0
3 years ago
What is the wavelength of this wave
zhannawk [14.2K]

\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the Waves.

Wavelength is the distance between two consecutive crest or trough.

hence, here the distance is 10cm

So the wavelength is 10cm

===> 10 cm

7 0
3 years ago
Which statement is true?
Jet001 [13]

Answer:

A. Speed is a scalar quantity and velocity is a vector quantity.

Explanation:

A scalar quantity is one that consists of only a numerical value.

Speed is a scalar quantity because only the instantaneous value is indicated, for example the speedometer of a car that tells you your speed at the moment but not where you are going or in what direction are you going.

On the other hand, velocity is a vector quantity. Because it is composed of a <u>magnitude and a direction</u>, for example 10m/s to the south is a velocity, and 10m/s is a speed.

6 0
3 years ago
A virtual image seems to come from
Alex_Xolod [135]

behind the mirror

Contrary to real images, virtual images cannot be illustrated on a screen. The optical image will appear at the point of divergence ( of outgoing rays from a point). It is an optical image that seems to be projected from behind the mirror.

4 0
3 years ago
Read 2 more answers
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