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3 years ago

Melting, freezing, and boiling are______ changes

Physics

2 answers:

avanturin [10]3 years ago

6 0

Melting, boiling, and freezing are state changes!
Hope this helps! Any questions please just ask! Thank you so much!

Sever21 [200]3 years ago

5 0

Answer:

Its phase

Explanation:

i just took the test

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A voltage amplifier needs a high input resistance and a low output resistance. Select one: True False

cupoosta [38]

Answer:

Explanation:

In electric circuit , the potential difference is always developed across the resistance .

Now is we are to amplify the voltage , that means low input voltage is converted into high voltage output .

Therefore we require low resistance at input for low voltage and high out put resistance for high output

Thus the statement given is wrong .

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3 years ago

Identify the type of wave in the picture please asap

pychu [463]

Answer:

It is transverse wave

Explanation:

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4 years ago

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A) Menciona algunos ejemplos de situaciones, mitos, tradiciones o aspectos culturales que

romanna [79]

Answer:

pues libros y enciclopedia

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3 years ago

A falling ball of mass 0.5 kg experiences a downward force due to gravity of mg (where g = 9.8 m/s2) and an upward force of air

schepotkina [342]

Applying Newton's Second Law of Motion, the acceleration of the ball is 16.8 $m/s^2$

Given the following data:

Mass = 0.5 kg

Acceleration due to gravity = 9.8 $m/s^2$

Upward force = 3.5 N.

To find ball's acceleration, we would apply Newton's Second Law of Motion:

First of all, we would determine the net force acting on the ball.

$Net \; force = Upward\;force + Downward\;force$

$Downward\;force = 0.5$ × $9.8$

Downward force = 4.9 N

$Net \; force = 3.5 + 4.9$

Net force = 8.4 N

Mathematically, Newton's Second Law of Motion is given by this formula;

$Acceleration = \frac{Net\;force}{Mass}\\\\Acceleration = \frac{8.4}{0.5}$

Acceleration = 16.8  $m/s^2$ 

Therefore, the acceleration of the ball is 16.8 $m/s^2$

Read more here: brainly.com/question/24029674

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3 years ago

Converting 16.2 pounds to 1 newton

laiz [17]

16.2 pounds doesn't convert to 1 newton.
It converts to about 71.1 newtons

1 pound force is the same force as 4.448... newtons (rounded).

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3 years ago