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GuDViN [60]
3 years ago
14

We cannot work without food why​

Physics
1 answer:
iren [92.7K]3 years ago
7 0

Answer:

Food supplies the body with energy and without energy the body cannot work.

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A gold bar has a density of 19.3 g/mL. If the gold bar has a mass of 6.3 grams, what is the volume?
Natali [406]

Answer:

The correct answer is "0.32 mL".

Explanation:

The given values are:

Density of gold bar,

d = 19.3 g/mL

Mass of gold bar,

m = 6.3 grams

Now,

The volume will be:

⇒  Density = \frac{Mass}{Volume}

or,

⇒  Volume=\frac{Mass}{Density}

On substituting the values, we get

⇒               =\frac{6.3 \ g}{19.3 \ g/mL}

⇒               =0.32 \ mL

7 0
3 years ago
Which of the following represents the subparticles for magnesium?
melomori [17]
The last one, 12p 12e 12n
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3 years ago
Si el periodo de oscilación de resorte es de 0,44 segundos cuando oscila atado a una masa de 2 Kg. ¿Cuál será el valor de la con
boyakko [2]

Answer:

i d k h b u lol I wish I knew it sorry

7 0
3 years ago
A horizontal spring has spring constant k = 360 N/m. First, compress the spring from its uncompressed length (x = 0) to x = 11.0
mixas84 [53]

Here we can say that by energy conservation principle

Elastic potential energy of spring will convert into kinetic energy of the block

so here we will have

\frac{1}{2} kx^2 = \frac{1}{2}mv^2

we also know that

k = 360 N/m

x = 11 cm

m = 1.85 kg

now we will use all in above equation

\frac{1}{2}\times 360\times (0.11)^2 = \frac{1}{2}\times (1.85) v^2

4.356 = 0.925 v^2

v^2 = 4.71

v = 2.17 m/s

so it will move with speed 2.17 m/s after separating from spring

7 0
3 years ago
Read 2 more answers
An example of a radioactive isotope is carbon-12. carbon-14. neon-20. neon-22.
inna [77]
The only one on the list that I know is radioactive is Carbon-14. 
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3 years ago
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