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Reil [10]
2 years ago
13

15. Missy Diwater, the former platform diver or the Ringling Brother's Circus had a speed of 25m/s when she hit the

Physics
1 answer:
timurjin [86]2 years ago
5 0
K.E.= 1/2 x MV^2 = 1/2 x 40(kg) x (25x25) =12500J
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Why is it that, in a spoon, you can see yourself upside down? Bamboozled me for years.
Delvig [45]
Here is your answer.

6 0
3 years ago
After the big bang, atoms in gas clouds experienced a greater gravitational pull to each other than atoms in other regions of th
allsm [11]
Answer:
These are the two statements with scientific facts that explain the described phenomenon
<span>
Gravitation between two objects increases when the distance between them decreases.</span>

When the mass of an object increases, its gravitational pull also increases.

Justification:

Those two facts are represented in the Universal Law of Gravity discovered by the scientific Sir Isaac Newton (1642 to 1727) and published in his book <span>Philosophiae naturalis principia mathematica.</span>

That law is represented by the equation:

F = G × m₁ × m₂ / d²

The product of the two masses on the numerator accounts for the fact that the gravitational force is directly proportional to the product of the masses, which is that as the masses increase the attraction also increase.

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6 0
3 years ago
1 m is equivalent to how many centimeters in the metric system
gladu [14]

100. A centimeter is a 100th of a meter.

5 0
3 years ago
Which substance would require the most heat to melt 100 g of the substance?
IrinaVladis [17]
Assuming all the substances are already at the temperature that is their melting point, we only need to worry about the heat required to change state, not the heat required to change temperature.

No calculations necessary for this question - just look at the latent heat of fusion. The higher this value, the more heat required per unit mass of the substance to melt it. Of the four answer options, aluminum has the highest value and therefore will take the most heat to melt the same mass.
3 0
3 years ago
The medium at point P will?
Tanya [424]
<h2>Answer: remain stationary</h2>

Stationary waves (so called because they seem to be immobile) occur when two waves interfere with the <u>same frequency, amplitude but with different direction</u>, along a line with a phase difference of half wavelength.

In this kind of waves there are two types of points:

The nodes, which are points that remain motionless or stationary and do not vibrate. They are due to the destructive interference of both waves when they meet.

The antinodes, which are points that vibrate with a maximum vibration amplitude. They are due to the non-destructive interference of both waves.

According to this explanation and comparing it with the description, when this two waves pass through each other, the point P will become a node, hence<u> it will remain stationary</u>.

3 0
3 years ago
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