PHYSICS MIDDLE SCHOOL

This is a spreading out of a wave around corners or through holes.

Answers

Answer 1
Answer:

Answer:

Diffraction.

Explanation:

Diffraction is the bending and scattering of a wave as it hits an object or goes through an opening.

Answer 2
Answer:

Answer:

Diffraction

Explanation:?

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Because the moon rotates once for each revolution around Earth,a. you see some phases more than others.
b. a different side of the moon faces Earth each day.
c. you never see the far side of the moon from Earth.
d. the far side of the moon is visible only during the full moon phase.

Answers

Good Morning, how are you?

Your answer is C. The moon orbits and rotates the same, so we NEVER see the far side of the moon from earth :)

Have a great day :)

Answer:

C. The moon orbits and rotates the same, so we NEVER see the far side of the moon from earth

Explanation:

What would be the effect of loss of biodiversity in an ecosytem

Answers

the organisms may die and it could really harm the environment that we live in. as much as we would not like to admit it we need them as much as they need us

Suppose you are standing on a skateboard and shoot a paintball gun at your friend. Which direction relative toyour friend will you move? Explain. _

Answers

Answer:

I will move way from my friend.

Explanation:

As I shoot the paintball towards my friend, the gun exerts a force on it that sends it moving towards my friend, and according to newtons third law, the paintball exerts an equal and opposite force on me, which causes me to move in the opposite direction of the movement of the paintball; this direction is away from my friend.

Which of the following is another term for a planned economy

Answers

The correct answer would be, Socialist system.

Socialist system is another term for a planned economy.

Explanation:

An economic system, in which the economy(including investment, capital and allocation of capital goods) is governed by a predefined economic and production plans, is called as the Planned Economy.

The system of planning in this economic system can either be centralized, decentralized or participatory.

This economic system is regulated by the Government. All decisions about the capital, lands, buildings, machinery, or other resources are taken by the government.

The production, prices, distribution, etc of the products or services are regulated centrally by the government.

Learn more about Planned Economy at:

brainly.com/question/14703586

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Answer:

Another term for planned economy is a socialist system.

Why there will be a change in the sole of the shoes after using many days?

Answers

Answer:

See the explanation below

Explanation:

Due to the frictional force, this force acts in the opposite direction to the movement of the person's shoe. This force tends to wear the sole of any shoe. We must remember that the frictional force is defined as the product of the normal force by the coefficient of friction between surfaces.

For this case, it should be the coefficient of dynamic friction between the pavement and the material of the sole of the shoe

If an object is falling downward, is the acceleration due to gravity (9.8 m/s/s) negative?

Answers

NO! ACCELERATION IS NEVER NEGATIVE UNLESS IT IS SLOWING DOWN.
No because the acceleration is getting larger. If the object was slowing down it would be negative. It does not matter in direction. Its wether is is speeding up or slowing down.
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