145 Best Energy Questions and Answers (Q&A) - ProProfs Discuss

What could be the best example of increasing an objects potential energy?

M. Klose, Content Writer
Answered: Jan 04, 2019

There are different types of energy in this world. One type is called potential energy. This type of energy is the held energy of an object before usually it does something in movement. One...Read More

3 Answers

492 views

When is kinetic energy transferred from one object to another?

Wyatt Williams
Answered: Apr 26, 2024

When those objects collide

1 Answer

484 views

Which of the four substance below is a compound based on the information in the table? The table below shows the chemical symbols for some common elements.

E. Barnes, Professional Gamer
Answered: Jul 15, 2019

The correct answer to this question is CO. CO is a compound of carbon and oxygen. A compound itself is a chemical that is formed from atoms that are taken from two different elements. Chemical...Read More

3 Answers

483 views

What is the pulley systems ideal mechanical advantage?

L. Brett, Sales Manager
Answered: May 29, 2019

There are specific simple machines in science. These six simple machines include the lever which is like a teeter-totter. The pulley does as it says. It pulls things up to something in the air....Read More

2 Answers

465 views

Why does a matchstick not get hot enough to light an unlit match is held near to an extremely hot Bunsen flame?

John Smith
Answered: Apr 26, 2024

Air is a bad conductor of thermal energy

Thermal energy cannot be conducted easily to the unlit match to light it up.

1 Answer

462 views

How far will the mug slide along the countertop if the coefficient of friction is 0.728 once released?

J. Harty, Writer
Answered: Feb 26, 2019

B is the answer to this question. The force is friction should be considered and related to the normal force. The coefficient of friction is 0.728. 0.728 will be multiplied to the mug of the root...Read More

2 Answers

427 views

How would you describe colors in a bright-line spectrum or in a fireworks display are produced?

Regentschemistry
Answered: Apr 26, 2024

Ions in salts release a specific amount of energy as the electrons move from a higher energy state (excited state) to a lower energy state

Remember: Colors in a bright-line spectrum or in a...Read More

1 Answer

426 views

Which energy source makes gasoline, fuel, oil, diesel, and kerosene?

Mrsdelo
Answered: Apr 26, 2024

Petroleum

1 Answer

422 views

Can you give one example of conversion from chemical energy to thermal energy?

John Smith
Answered: Apr 26, 2024

Gasoline burning in a car engine.

2 Answers

404 views

Which of the following is a conductor?

Whitehat
Answered: Apr 26, 2024

Copper

1 Answer

397 views

How far will a 1000kg car skid with locked brakes if it is traveling at 120km/HR if when braked(locked) while moving at 40km/HR comes to a stop after 20.0 meters(g~10m/s)?

John Smith
Answered: Apr 26, 2024

M-when a car skids to a stop, the work done by friction upon the car is equal to the change in kinetic energy of the car. work is directly proportional to the displacement of the car (skidding...Read More

1 Answer

396 views

What is the net force on the car while it's coming to a stop? A car having a mass of 500 kg is initially traveling with a speed of 80 km/HR. It slows down at a constant rate, coming to a stop in a...

L. Hawkes, Teacher
Answered: Oct 04, 2018

The answer to this is C. The formula that you should follow for this is the amount of work that is done on your car is equal to KE. The formula for this is Fnetd. This will then be multiplied by...Read More

2 Answers

394 views

What is an example of endothermic reaction?

E.Ruth
Answered: Feb 19, 2018

One of the best examples of an endothermic reaction is the chemical process of dissolving table salt in water. If you pour salt into a bowl or container of water, the salt will automa...Read More

2 Answers

385 views

What is the force which she must apply to the baseball if her mitt recoils a horizontal distance of 25.1 cm?

John Smith
Answered: Apr 26, 2024

514 n-this is an example of work being done by a non-conservative force (the applied force of the mitt) upon a baseball in order to change its kinetic energy. so wnc = change in ke the change in...Read More

1 Answer

376 views

What is energy from wood, waste, and garbage called?

Marquart
Answered: Apr 26, 2024

Biomass

1 Answer

366 views

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