If an object has a mass of 8g and a volume of 7cm3. What is the density?

this is the last one i swear

Answers

Answer 1

Answer:

The density of an object with a mass of 35 grams and volume of 7cm³ is 5g/cm³  

Answer 2

Density,

[tex]\rho = \dfrac{m}{V} = \dfrac{35\times 10^{-3}~kg}{7 \times 10^{-6} ~ m^3} =5\times 10^3~ kg~ m^{-3} = 5000 ~ kg ~m^{-3}[/tex]


Related Questions

From left to right, follow the dots in line 1 with your finger. Count a steady beat out loud, and time your motion so your finger crosses a dot at the end of each beat. Don’t pause at the dots, and move as smoothly as you can. A good way to count is to say or think “1 Mississippi, 2 Mississippi,” and so on. Is your finger moving at a constant rate, or is the rate changing?

Answers

Answer:

A) The rate changes as i move my finger

It changes as i move my finger.

PLS HELP!!! Which are examples of a phase change? (Select all that apply.)
evaporating water
cutting wood
frying eggs
melting butter

Answers

Answer:

evaporating water, frying eggs, melting butter.

Explanation:

Answer:

Evaporating water

Melting butter.

Explanation:

For a phase change to occur, heat energy needs to be released or absorb, and the process can be reversible. A phase change can cause physical changes but no new substance is formed.

These are examples of phases changes:

Melting: solid to a liquid (Melting butter)Freezing: liquid to a solidVaporization/Evaporation: liquid to a gas (Evaporating water)Condensation: gas to a liquidSublimation: solid to a gasDeposition: gas to a solid

→Frying eggs in a chemical change (not reversible, a new substance is formed).

→Cutting wood is a physical change.

(*) My little brother (5th grade) just took the test and -evaporating water & melting butter- were the right answers.

(**) Hope this helps others who are looking for the answer of this question  :)

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