PHYSICS HIGH SCHOOL

Which form of energy increases when a spring is compressed?chemical potential energy

elastic potential energy

kinetic energy

radiant energy

thermal energy

Answers

Answer 1
Answer:

When a spring is compressed, its potential energy is increased. Specifically, the form of potential energy that increases is called elastic potential energy. The correct answer is "elastic potential energy."

When a spring is compressed, work is done to compress the spring, and this work is stored in the spring as potential energy. The potential energy is stored in the spring in the form of potential energy associated with its deformation, which is called elastic potential energy. When the spring is released, the stored potential energy is converted back into kinetic energy, which causes the spring to expand or oscillate.

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Answer 2
Answer: elastic potential energy. its easy, think of it like this. when your shooting a rubber band at them, when you stretch the rubber band it increases the potential energy, and when you let go the potential energy converts into kinetic energy which makes it move. when a rubber band snaps, it means it cant handle all the pressure and potential energy.

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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:

A sprinter can run 100.0 meters in 10.4 seconds. Find the velocity of this runner. (Please put answer into ladder cancellation format!!)

Answers

Hope you get it thank you :)

Romeo ( mass = 70 kg ) feels a gravitational attraction for Juliet ( mass = 50 kg ). If hey are 20 m apart, find the force.

Answers

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Love? Idk lol

Pushing the body harder than it's ready to be pushed during exercise

Answers

Pushing the body harder than its ready to be pushed during exercise can lead to getting badly hurt. It can also help to increase the limit of the body power. It should be kept in mind that pushing the body to over the limits can be a very dangerous matter and this should only be done under the supervision of the experts.

What is the mass of a pure platinum disk with a volume of 113 cm3? The density of platinum is 21.4 g/cm3.Give your answer in grams and kilograms.

Answers

The mass of the platinum if the volume is 113 cm³ and density is 21.4 g / cm³ is 2.418 kilograms or 2 kilograms and 418 grams.

What is density?

The density is the mass of a material substance per unit volume. d = M/V, where d is density, M is mass, and V is volume, is the formula for density. Grams per cubic centimeter are a typical unit of measurement for density.

As an illustration, the density of Earth is 5.51 grams per cubic centimeter, whereas the density of water is 1 gram per cubic centimeter.

Given:

The volume of the platinum disk, V = 113 cm³,

The density of platinum, d = 21.4 g / cm³

Calculate the mass using density and mass relation as shown below,

density = Mass of the platinum  / Volume of the platinum

21.4 = Mass of the platinum  / 113

Mass of the platinum = 21.4 × 113

Mass of the platinum  = 2418.2 g

As we know 1 kg = 1000 grams,

Mass of the platinum = 2418.2 / 1000

Mass of the platinum  = 2.418 kg

Thus, the mass of the platinum is 2.418 kg.

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Multiply the density with the volume. You get 2418.2 grams or 2.4182 kilograms :)

Atoms have no electric charge because theyA. Have an equal number of charged and non charged particles.

B. Have neutrons in their nuclei.

C. Have an equal number of electrons and protons

D. Have an equal number of neutrons and protons

Answers

Atoms have no electric charge because they have an equal number of electrons and protons.

Explanation:

  • Atom is the smallest unit of matter.
  • It is comprised of three subatomic particles:protons, electrons, and neutrons.
  • Electrons are found outside the nucleus of an atom and are negatively charged.
  • Protons are found inside the nucleus of an atom and are positively charged.
  • Neutrons are found inside the nucleus of an atom and have no charge.
  • They are electrically neutral because they have an equal number of protons and electrons.

So from this, we can conclude that atoms have no electric charge because they have an equal number of electrons and protons. Option C is correct.

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Answer choice c is the correct choice
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