PHYSICS MIDDLE SCHOOL

Which of the following best describes gravitational force?An attraction between two objects that have mass
An attraction between two objects due to their electrons
The force that keeps atoms and molecules bound together
The force that keeps objects from moving when they are at rest

Answers

Answer 1
Answer:

Answer:

2

Explanation:
Answer 2
Answer:

Answer:

A. An attraction between two objects that have mass

Explanation:

i looked it up lol

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Will a cart rolling up and down a ramp have a faster or slower acceleration than a ball being thrown straight up into the air? (Assume up the ramp is positive and the origin is the starting point of the cart)

Answers

a ball being thrown straight up would excel faster.

Explain the energy transformations necessary for turning on a Chromebook. Your description should have at least three types of energy being described.You may want to talk about the different parts of the Chromebook,such as:

Plug
Battery
Light

PLZ HELP THIS IS DUE TODAY!!

Answers

Answer:

First, you need to charge the battery.

You do this by connecting the device to the electricity, in this way you can store the energy, that comes in form of electric energy, in the battery, that stores the energy in form of chemical energy.

When you push the "ON" button, the energy stored in the battery starts to run in the device, in form of electrical energy, in this way it reaches all the components and the computer is fully turned on.

At this moment the Chromebook turns on its screen, producing luminous energy (so consumes the electric energy that comes from the battery, and turns it into luminous energy).

There are other transformations, for example, in the cooler (the small fan inside the device) there is a transformation from electrical energy to mechanical energy (because the fan is rotating now).

Is putting something in a blender a physical or chemical change and how ?

Answers

physical because you are not changing the substance chemical way in other words youre not changing the compond of what its made out of you are just bending it. but if you blend it with something else for exemple a bananna with a strawbery you are changing its structure wich would be chemical.
physical if you will not turn on the blender.
chemical if you will turn the blender on and mix the ingrediants 

A horse runs around a circular track that is 350.0 m long. He runs clockwise fromthe start line back to the start line, then turns back and goes counterclockwise back
to the start line again. What is the horses displacement?

A. 0 m
B. 300.0 m counterclockwise
C. 300.0 m counterclockwise
D. 600.0 m

Answers

Answer:

A 0m

Explanation:

The horse runs clockwise round the strack, then goes back to the start line ending up back at the same place when it started.
A. 0

As the horse goes back to the same “start line”.

In both transverse and longitudinal waves, the energy of the wave travels through but the particles do not move permanently.True

False

Answers

the correct answer is true

What is the force that opposes the movement of an object through water??

Answers

The force that opposes the movement of an object through water is called drag. This is a type of frictional force. This force normally depends on the density and the viscosity of the fluid in question. The liquid which has more density and more viscosity or stickiness will produce a greater amount of drag force on an object than a fluid that is less dense and less viscous in nature.  River water normally has less drag than that of sea water.  


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