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photoshop1234 [79]
4 years ago
11

At the bottom of the ocean, a rock has a mass 25 g. At sea level, the same rock will have a mass of: less than 25 g, more than 2

5 g, or the same as 25 g?
Physics
2 answers:
storchak [24]4 years ago
5 0
It will be same 25 g
ivann1987 [24]4 years ago
5 0

Answer:

Option (2)

Explanation:

The weight of an object is always more at the sea level than at the base of the ocean floor. The water always forces an upward thrust to an object, as a result of which the weight of the object gets reduced by a certain amount. This property of water generating an upward force is known as the the buoyancy.

Thus, if an object weighs 25 grams at the ocean floor, then at the mean sea level, the weight is slightly more than 25 grams.

Hence, the correct answer is option (2).

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A beaker of boiling water stops boiling and eventually reaches room
solniwko [45]

Answer:

C

Explanation:

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8 0
2 years ago
Read 2 more answers
Witch part of the ear is responsible for sending singnals about sound to the brain
drek231 [11]

Answer:

Cochlea

Explanation:

Cochlea. The cochlea changes the sound vibrations from the middle ear into nerve signals. The nerve signals the travel to the brain via the cochlea \ nerve.

The cochlea nerve is also called the auditory nerve.

7 0
3 years ago
What is the acceleration of an object with a mass of
aev [14]

Heya!!

For calculate aceleration, lets applicate second law of Newton:

                                                    \boxed{F=ma}

                                                 <u>Δ   Being   Δ</u>

                                             F = Force = 183 N

                                            m = Mass = 367 kg

                                             a = Aceleration = ?

⇒ Let's replace according the formula and clear "a":

\boxed{a=183 \ N / 367\ kg}

⇒ Resolving

\boxed{ a = 0.49 \ m/s^{2}}

Result:

The aceleration is <u>0,49 meters per second squared (m/s²)</u>

Good Luck!!

3 0
3 years ago
Explain the law of conservation of mass and how it applies to balancing chemical equations
Sonja [21]
The law of conservation of mass<span> states that </span>mass<span> in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the </span>law of conservation of mass<span>, the </span>mass<span> of the products in a chemical reaction must equal the </span>mass<span> of the reactants.
</span>
Every chemical equation<span> adheres to the </span>law of conservation of mass<span>, which states that </span>matter<span> cannot be created or destroyed. Therefore, there must be the same number of atoms of each element on each side of a chemical </span>equation.
5 0
3 years ago
In a type of chemical reaction called thermal decomposition, heat is added to a substance, which then splits apart to form sever
exis [7]
The answer is a. endothermic.
In endothermic reaction, as the name suggests, the reactants require energy absorption to form and complete the chemical reaction to form products.
And even if you don't know the answer, you can exclude all other answers by scientific logic and you will be left with the correct answer.

Hope this helps.
5 0
3 years ago
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