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Jet001 [13]
3 years ago
14

Una esfera de aluminio de 0,5cm de radio se introduce en alcohol. Calcular la indicación que marca el diámetro cuando esta dentr

o del alcohol sabiendo que la densidad del aluminio es de 2 690kg/m³ y la del alcohol es de 790kg/m³
Physics
2 answers:
klemol [59]3 years ago
6 0

Answer:

sry I just wanted the points I'm in middle school so I don't know this stuff either but can you give free brainlyest I'm soo close to my next rank I'd really appreciate it if you would

Mama L [17]3 years ago
6 0

Answer:

0.5+690=690.5

Explanation:

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Magnetic fields exist
Effectus [21]

Answer:

Magnetic fields exist near a magnet, farther away from a magnet, and within a magnet.

So, the answer is D. All of the above.

Let me know if this helps!

6 0
3 years ago
The property of matter that describes what it is made of
const2013 [10]

Answer:

Miixture

Explanation:

The answer is mixture

4 0
3 years ago
An electric toaster is rated 1200 watts at 120 volts. what is the total electrical energy used to operate the toaster for 30 sec
Anarel [89]
Energy is calculated as power*time, so give the wattage of 1200 W (equivalent to 1200 Joules/second) and time of 30 seconds, multiplying these gives 36000 J or 36 kJ of electrical energy.

If electrical charge or current is needed: Power = voltage * current, so given the power of 1200 watts and voltage of 120 V, current is 1200 W / 120 V = 10 Amperes. Charge is calculated by multiplying 10 A*30 s = 300 C.
3 0
3 years ago
If a boulder has a weight of 675,000 N what is it’s mass
Anarel [89]

Weight = (mass) x (acceleration of gravity where the object is)

You didn't tell us WHERE the boulder is, so I have to assume that it's on Mars, where the acceleration of gravity is 3.71 m/s².

675,000 N = (mass) (3.71 m/s²)

Mass = (675,000 N) / (3.71 m/s²)

<em>Mass = 181,941 kilograms</em>

The same weight on Earth would suggest a mass of only 68,807 kg, so you can see how important it is to know where you are when you make your measurements.

6 0
3 years ago
Give an example of an issue that is currently being debated in the public sphere? Why is this issue a hot topic?
aliya0001 [1]
Palestine vs. Israel Palestine is demanding freedom from Israel when they already have their freedom
6 0
3 years ago
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