PHYSICS HIGH SCHOOL

Which one of the following is true a. momentum results in a change of force
B. a force results in a change of momentum

Answers

Answer 1
Answer:

Answer:

B

Explanation:

You need a specific force to change the momentum of something.

Hope this helps!

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Oil flows upward in the wick of a lantern because of the liquid property called

Answers

Oil flows upward in the wick of a lantern because of the liquid property called Capillarity c:

What gives the gem amethyst its purplish color

Answers

Amethyst is a crystalline quartz, its colours range from light to dark purple. The purplish colour of amethyst is due to high energy radiations, such as gamma rays, from radioactive sources, the presence of trace elements and the presence of iron found in its crystal lattice. The colour cetre created by Fe4+ is a principal contributor to the colouring of amethyst.

The gem amethyst gets its purplish color from trace amounts of iron and aluminum within its crystal lattice structure. Amethyst is a variety of quartz, which is a silicon dioxide mineral. The coloration occurs due to the presence of impurities or color centers that interact with light, absorbing certain wavelengths and transmitting others.

In the case of amethyst, the purple color is primarily attributed to the presence of iron impurities (Fe3+) within the crystal lattice of quartz. The iron impurities absorb certain wavelengths of light in the visible spectrum, particularly in the green and yellow regions, leaving behind the purplish hues to be transmitted to our eyes.

The exact shade of purple can vary in amethyst gemstones, ranging from light lilac to deep violet, depending on the concentration of iron impurities and other factors during their formation. Heat treatment or exposure to radiation can also influence the color of amethyst, but the natural variety gets its beauty from the fascinating interplay of these impurities within the crystal structure.

List three adjectives that can be used to describe a hue that is high intensity.

Answers

Vivid, vibrant, rich.

As a liquid is added to a beaker, the pressure exerted by the liquid on the bottomof the beaker
A decreases
B stays the same
C increases

Answers

Answer: c) increases

Explanation:

Pressure increases with decreasing height

A unit of power equal to 746 watts is a

Answers

≈ 746 watts is a 1 Horsepower, because that's in the SI base unit. 

Can someone please help me with my physics homework?! A water skier has a mass off 68kg.

Calculate the resultant force acting on the water skier while accelerating.

Answers

Everybody is making something tough out of something easy.

Everybody knows the formula [ Force = (mass) x (acceleration) ].  Right ?

We're supposed to find the force on the skier when the skier is accelerating,
and it gives us the skier's mass.  So there you are !

Net force on the skier = (64 kg) x (the skier's acceleration).

It depends on the skier's acceleration, which we're not told.
More acceleration = the result of more net force.
More net force = the cause of more acceleration.

And that is absolutely everything that you can do with the information
that's given in this question.
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