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3 years ago

Use absolute dating in a sentence

Physics

2 answers:

grigory [225]3 years ago

5 0

Answer:

So the answer is scientists will use absolute dating to actually find how old a fossil exactly is. Hope it helps!

Scrat [10]3 years ago

4 0

Answer:

scientists will use absolute dating to find how old a fossil exactly is.

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A merry-go-round at a playground is a circular platform that is mounted parallel to the ground and can rotate about an axis that

hram777 [196]

Answer:

$V_2=3.3m/s$

Explanation:

From the question we are told that:

Distance $d_1=1.4m$

Tangential speed $V=2.2m/s$

Distance 2 $d_2=2.1m$

Generally the equation for Angular velocity is mathematically given by

$w=\frac{v}{r}$

Therefore

$\frac{v_1}{r_1}=\frac{v_2}{r_2}$

$V_2=\frac{2.2*2.1}{1.4}$

$V_2=3.3m/s$

8 0

3 years ago

A SPARK PLUG IN AN AUTOMOBILE ENGINE CONSISTS OF TWO

kirill [66]

Answer:

Electric potential, $V=3.52\times 10^{12}\ volts$

Explanation:

It is given that,

The magnitude of electric field, $E=4.7\times 10^7\ V/m$

Distance between automobile engines that consists of metal conductors, $d = 0.75\ mm = 7.5\times 10^4\ m$

Let V is the magnitude of the potential difference between the conductors. The relation between the electric field and the electric potential is given by:

$V=E\times d$

$V=4.7\times 10^7\ V/m \times 7.5\times 10^4\ m$

$V=3.52\times 10^{12}\ volts$

So, the magnitude of the potential difference between the conductors is $3.52\times 10^{12}\ volts$ . Hence, this is the required solution.

6 0

4 years ago

Two ice-skaters are skating in circles on a frozen pond. Maria is making large circles with a radius of 12 m and skating 4.5 m/s

Lera25 [3.4K]

Answer: Samantha has the largest centripetal acceleration of 2.4 m/s^2. Maria has only 1.69 m/s^2.

Explanation:

8 0

3 years ago

After watching a show about submarines, Jamil wants to learn more about the oceans. Which question could be answered through sci

krok68 [10]

Answer:

After watching a show about submarines, Jamil wants to learn more about the oceans. The question that could be answered through scientific investigation is What substances dissolve in ocean water?

<u>Explanation:</u>

Jamil's scientific investigation will help him learn about the various substances that can be dissolved in seawater. There is a large number of such substances. Salt is the most important component of seawater.

Sodium chloride is the most common substance. Besides it, magnesium chloride and calcium chloride are also dissolved in seawater. Seawater consists of a large number of gases also such as oxygen, nitrogen, carbon dioxide, etc.

4 0

3 years ago

Read 2 more answers

A student claims that gravitational fields exist between objects that are not in contact with each other. She creates a diagram

VashaNatasha [74]

Answer:

Option B. The distance between the objects in Figure A is shorter than the distance between the objects in Figure B.

Explanation:

The force of attraction between two masses is given by the following equation:

F = GM₁M₂ / r²

Where:

F => is the force of attraction

M₁ and M₂ => are the masses of the two objects

G => is the gravitational constant.

r => is the distance between the two objects

From the above formula,

The force of attraction (F) is directly proportional to the product of the two masses and inversely proportional to the square of their apart.

This implies that:

1. An increase in the masses of the object will bring about an increase in the force of attraction and a decrease in the masses will leads to a decrease in the force of attraction.

2. An increase in the distance between the two masses will leads to a decrease in the force of attraction and a decrease in the distance between the two masses will lead to an increase in the force of attraction.

Considering the options given in the question above, option B gives the correct answer to the question.

8 0

4 years ago