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UkoKoshka [18]
3 years ago
15

Boiling potatoes is a physical or chemical change

Physics
2 answers:
Tema [17]3 years ago
6 0

The answer is Chemical Change

Tomtit [17]3 years ago
5 0
Chemical change bc they don't loss there shape they get hotter
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Calculate the volume (in cm³) of 38.5 grams of platinum if the density of platinum is 21.5 g/cm³. Give your answer to 2 decimal
Alexeev081 [22]

Answer:

1.79 cm^{3}

Explanation:

by the definition ,

density =\frac{mass}{volume}\\ volume=\frac{mass}{density}\\=\frac{38.5 g}{21.5 gcm^{-3} } \\=1.79 cm^{3}

6 0
4 years ago
--------------is an aquatic animal which emits electric discharge.
Varvara68 [4.7K]

Answer:

There are 5 of 'em.

It's so amazing.

1. The electric eel; It can generate about 370-650 volts of electric current from it's body.

2. The electric catfish!

About 350-450volts of electric current.

3. The electric Ray.

Say no more. It can generate about 37-220volts.

4. The electric stargazer (really stargazer, lol, and you live down the sea)

About 50volts

and

5. Skate.

Just 4volts.

You know more than to be careful when you go diving in the sea.

I love your question btw. I learnt also.

4 0
3 years ago
A ball on a string makes 25.0 revolutions in 9.37 s, in a circle radius 0.450 m. What is it’s velocity?
Sauron [17]

The velocity of the ball is 12.5 m/s

Explanation:

The velocity of the ball is given by the ratio between the distance covered by the ball and the time taken:

v=\frac{d}{t}

First, we calculate the distance covered. We know that the radius of the circle is

r = 0.450 m

And the length of the circumference is

L=2\pi r = 2\pi(0.750)=4.7 m

The ball makes 25.0 revolutions, so a total distance of

d=(25.0)L=(25.0)(4.7)=117.5 m

In a time of

t = 9.37 s

So, its velocity is

v=\frac{117.5}{9.37}=12.5 m/s

Learn more about velocity here:

brainly.com/question/5248528

#LearnwithBrainly

3 0
3 years ago
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¿Por qué los mensajes llegan en forma inmediata de un celular a otro?
KATRIN_1 [288]

Porque el internet ayuda a la rapidez del mensaje.

7 0
4 years ago
"it was so cold yesterday that the temperature only reached 275." which temperature scale is being used? what would be the corre
kow [346]
Remembering back to science I believe that temperature is on the Kelvin scale. The corresponding temperature on the Celsius scale would be very close to zero degrees which is the freezing point. The corresponding temperature on the Fahrenheit scale would be 32 degree which again is the freezing point.
7 0
3 years ago
Read 2 more answers
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