Physics Middle School

Plz help
The energy diagram shows the changes in energy during a chemical reaction.
Which statement best describes the total energy change of the system?

Plz HelpThe Energy Diagram Shows The Changes In Energy During A Chemical Reaction.Which Statement Best

Answers

Answer 1

Answer:

the awnser is c

Explanation:

i took the test

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If a bowler rolls the bowling ball down the alleyway with a force of 1,000N. The ball exerts a reaction force again the alleyway with approximately how much force? Explain your thinking behind this.

Answers

It’s 1,000 because it stays the same

Answer:

1,000

Explanation:

because the ground won't stop the ball so it is always going to stay the same

HElP thank you pLeAsE

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Answer:

Cell membrane

Explanation:

I've done this before

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Answer:

False

Explanation:

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Answer : false

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Answers

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Explanation: a sensory organ that lets us hear.

What is the average kinetic energy of an object's particles?

Question 3 options:

Heat


Thermal Energy


Thermodynamics


Temperature


please include explanation

Answers

What is the average kinetic energy of an object's particles?

the answer is temperature

The answer is Temperature!

PLEASE HELP!!!!
An object with a weight of 42 N is placed in a pool. The object displaces 37 N of water. The object will:
a) sink
b) be buoyed up
c) stay in place

Answers

I would say A Because it weighs more than the water

The pressure on an iceberg is greatest at the top of the iceberg. Question 2 options: True False

Answers

Answer:

false

Explanation:

False. The pressure at the bottom points of the iceberg is greater pressure than the top of the iceberg

Mike is doing a project for science class. He is making an analogy of a cell and relating it to the structure and function of a city. He is looking for a building to represent the mitochondria. Which building in a city has a similar function and would best represent the role of the mitochondria in the cell?

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Answer: Mitochondria are organelles that make energy for a cell; they are inherited from ... In this chapter, we will look at the structure and function of the eukaryotic cell. ... to functions of a city to emphasize that all parts are needed. ... We begin by looking at ... cell, as he peered through a primitive microscope of his own construction.

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