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Anestetic [448]
3 years ago
13

What is exothermic .Is it a reaction?

Physics
2 answers:
Delvig [45]3 years ago
8 0

Answer:(of a reaction or process) accompanied by the release of heat.

Explanation: trust moi

Degger [83]3 years ago
7 0
Exothermic is a reaction, it is a process that objects or substances go through when releasing heat.
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All of the halogens are____to humans.
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Answer:

b bc they are a dangerous threat to humans health

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Solve for M₂
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Explanation:

M₂ = Fr²/GM₁

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Why is Jupiter's rotation dangerous for human survivability?
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Answer:

1. Why is Jupiter's rotation dangerous for human survivability?

<h2>=> </h2>

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2 .Why is Jupiter's planet axis tilt an issue for human survivability?

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3.Why is the diameter of Jupiter an issue for human survivability?

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7 0
3 years ago
Hubble measured the velocity of the movement of galaxies by using
kogti [31]

Answer:

Hubble measured the velocity of the movement of galaxies by using Hubble's law states that galaxies located farthest from the center of the universe than those closest to the center.

Explanation:

Hubble's Law says that an object's velocity away from an observer is directly proportional to its distance from the observer. In other words, the farther away something is the faster it is moving away from us. The spectrum of a galaxy allows you to measure its redshift.

6 0
3 years ago
Read 2 more answers
Find the ratio of the lengths of the two mathematical pendulums, if the ratio of periods is 1.5​
juin [17]

Answer:

The ratio of lengths of the two mathematical pendulums is 9:4.

Explanation:

It is given that,

The ratio of periods of two pendulums is 1.5

Let the lengths be L₁ and L₂.

The time period of a simple pendulum is given by :

T=2\pi \sqrt{\dfrac{l}{g}}

or

T^2=4\pi^2\dfrac{l}{g}\\\\l=\dfrac{T^2g}{4\pi^2}

Where

l is length of the pendulum

l\propto T^2

or

\dfrac{l_1}{l_2}=(\dfrac{T_1}{T_2})^2 ....(1)

ATQ,

\dfrac{T_1}{T_2}=1.5

Put in equation (1)

\dfrac{l_1}{l_2}=(1.5)^2\\\\=\dfrac{9}{4}

So, the ratio of lengths of the two mathematical pendulums is 9:4.

3 0
2 years ago
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