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vaieri [72.5K]
3 years ago
6

Why do the other animals listen to old major speak in the barn late on night?​

Physics
1 answer:
Mars2501 [29]3 years ago
5 0
brainly.com/question/19388823

Hope this helps!
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indicate whether the statement is true or false the synthesis of a large collection of information that income passes well teste
Maksim231197 [3]

Answer:  True

The statement " the synthesis of a large collection of  information that encompasses well tested and verified hypothesis about certain aspects of natural world is known as <em>"scientific theory".    </em>

It was proposed by Charles Darwin and Alfred Russel in the mid 19th century.  

Typically, it is about the relationship between various facts and is a way of providing a concise explanation for what's been observed. A scientific theory is a well- substantiated explanation of an aspect of the natural world.


4 0
3 years ago
A 15.0 kg fish swimming at 1.10 m/s suddenly gobbles up a 4.50 kg fish that is initially stationary. Ignore any drag effects of
Nana76 [90]

Answer

given.

Mass of big fish = 15 Kg

speed of big fish = 1.10 m/s

mass of the small fish = 4.50 Kg

speed of the fish after eating small fish =?

a) using conservation of momentum

m₁v₁ + m₂v₂ = (m₁+m₂) V

15 x 1.10 + 4.50 x 0 = (15 + 4.5)V

16.5 = 19.5 V

V = 0.846 m/s

b) Kinetic energy before collision

KE_1 = \dfrac{1}{2}m_1v_1^2 + \dfrac{1}{2}m_2v_2^2

KE_1 = \dfrac{1}{2}\times 15 \times 1.1^2 + \dfrac{1}{2}m_2\times 0^2

KE₁ = 9.075 J

Kinetic energy after collision

KE_2= \dfrac{1}{2}(15+4.5)\times 0.846^2

KE₂ = 6.98 J

Change in KE = 6.98 - 9.075 = -2.096 J

hence,

mechanical energy was dissipated during this meal = -2.096 J

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3 years ago
HELP ME!!!!!!!!!!!!! DUE IN 10 MINUTES HURRY!!!!!!!
alexandr1967 [171]

Answer:

3.4 or 3 11/23

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just dive so you can see it as if it were Evelyn distributed

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3 years ago
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3 years ago
Pierce conducts an experiment in which waves collide in a way that the energy increases. What has occurred? refraction reflectio
Vitek1552 [10]

Answer:

constructive interference.

Explanation:

Electromagnetic waves is a propagating medium used in all communications device to transmit data (messages) from the device of the sender to the device of the receiver.

Generally, the most commonly used electromagnetic wave technology in telecommunications is radio waves.

Radio waves can be defined as an electromagnetic wave that has its frequency ranging from 30 GHz to 300 GHz and its wavelength between 1mm and 3000m.

In this scenario, an experiment is conducted by Pierce in which waves collide in a way that the energy increases. Thus, this is an example of constructive interference i.e constructive interference has occurred.

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3 years ago
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