PHYSICS MIDDLE SCHOOL

If potential energy is at point A is 12 joules, what is the potential energy at B ?

Answers

Answer 1
Answer:

Answer:

incomplete information

Explanation:

Where is diagram? no point A and point B given

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What type of wave is shown below?

Answers

A Longitudinal wave has rarefactions and compressions. Therefore, the wave shown above is a longitudinal wave. 

The answer would be a longitudinal wave.

Which of the following is an example of a compound C2, O2, He2, CO2?

Answers

Carbon dioxide is an example of a compound (CO2)
CO2 and He2 is an example of a compound. Anything that has only one type of atom is a molecule, and anything having more than one type of atom is a compound.

What type of machine is a rake?A.Mechanical Machine
B.Complex Machine
C.Compound Machine
D.Simple Machine

Answers

A rake is a simple machine. Thus, the correct option is D.

What is a Simple machine?

A simple machine is a mechanical device which changes the direction or magnitude of an applied force. In general, these machines can be defined as the simplest mechanisms which uses mechanical advantage also called as leverage to multiply the force. Usually the term refers to the six classical simple machines which were defined by Renaissance scientists including lever, wheel and axle, pulley, inclined plane, wedge, and screw.

A simple machine uses a single applied force to do the work against a single load force or friction. Ignoring the friction losses, the work done on the load force is equal to the work done by the applied force.

Therefore, the correct option is D.

Learn more about Simple machine here:

brainly.com/question/10075890


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D.Simple Machine, is right.

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 

Question 1
Which compounds are both classified as electrolytes?

Answers

The answer is in the picture down \/

Hope this helps you !!!!

Have a nice day/night

2. A ball tied to a pole by a rope swings in a circular path with a centripetal acceleration of 2.7 m/s. If the ball has atangential speed of 2.0 m/s, what is the diameter of the circular path in which it travels?​

Answers

Answer: The diameter of the circular path is 2.96m

Explanation: centripetal acceleration = tangential speed^2 / radius of the circular path.

Centripetal acceleration = 2.7m/s^2

Tangential speed = 2.0m/s

Radius = 2.0^2 / 2.7 = 4/2.7

= 1.48m

Diameter = radius*2

= 1.48*2 = 2.96m.
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