Chemistry Middle School

Which form of energy is used as a roller coaster moves down the track?

a roller coaster moving down a track


Chemical energy
Light energy
Mechanical energy
Solar energy

Answers

Answer 1

Answer:

Mechanical energy

Explanation:

Answer 2
the answer is mechanical hope this helps

Related Questions

9. Mixing baking soda and vinegar leaves behind water and salt. This is an example of mixing ________ and __________. Is it a chemical or physical reaction?

Answers

Answer:

Mixing baking soda and vinegar is a chemical reaction. I’m not so sure about the fill in the blanks.

Explanation:

It is a chemical change due to the formation of gas and the change in temp.

It is a chemical reaction

Please help It is due today
only the second, third, and forth one

Answers

Answer:

why is this still up 2 years later

Explanation:

To investigate how mechanical energy affects the number of times a ball will bounce back, Maria dropped a ball from three different heights. Which of the following would be a reasonable conclusion from this experiment?

The height from which a ball is dropped does not affect the number of times it bounces.
Increasing the height will give the ball more energy and will increase the number of times it bounces.
Increasing the height will give the ball less energy and will decrease the number of times it bounces.
Decreasing the height will give the ball more energy and will increase the number of times it bounces.

Answers

Answer:

C. Increasing the height will give the ball more energy and will increase the number of times it bounces.

Explanation:

B. Increasing the height will give the ball more energy

Which of the following is considered a standard unit of length in the United States?


A:square inch

B:cubic yard

C:yard

D:acre

Answers

Answer:

yard

Explanation:

Answer:

c

Explanation:

PLEEAASSEE HEELLPP MEE I NEED THIS ANSWER TO FINISH THE LAST QUESTION!!!!

Answers

The product label should be at the bottom hopes this helped

Answer: Elements or compounds that enter are Reactants.

The substances that are formed are the Products

Reactants in C6H12O6 + 602 ---> 6CO2 + 6H2O are  C₆H₁₂O₆ + 6 O₂

Reactants in 6 CO2 + 6H2O --->C6H12O6 + 602 are    6 CO₂ + 6 H₂O

Reactants in 2 H2 +O2 ---> 2 H2O  are  2 H₂ +O₂

Reactants in 2 H2O ---> 2 H2 + O2  are  2 H₂O

Explanation:

The number of atoms in the reactants have to balance with the number of atoms in the products.

The first two examples given are for metabolism of carbohydrates (similar to combustion of hydrocarbons) and photosynthesis.

Willa holds a pan over a campfire, as shown in the figure below. She feels warmth from the fire.

Most of the warmth Willa feels comes from the process represented by letter Z. What is this process ?

Answers

Answer:

thermal radiation/ transfer of heat

Answer:

thermal radiation

Explanation:

Please help meeee ;-;

Answers

Answer:

number (12 is c)  (13 is 5) (14 is 5)

Explanation:

Answer:

12:B 13: 5 m/s 14: 5 m/s

Explanation:

12: this is a position vs time graph, and that worded description matches the graph because the slope of a p vs t graph is the velocity

13: again, the slope of a position vs time graph is the velocity. 10m/2s = 5 meters a second or m/s

14: same thing. the object travels 30 m in 6 s so 30/6=5 m/s

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