If a rock is sitting in the dirt, the normal force from the ground and BLANK are acting on it plz help

Answers

Answer 1

Answer: The only other force acting on the rock would be gravity.

Answer 2

Answer: Gravity and ................? matter

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An ice cube melts when its mechanical energy increases.

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

Answers

Answer:

Diffraction.

Explanation:

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

Answer:

Diffraction

Explanation:?

What dose it mean to say that mass is conserved during a physical change

Answers

Answer:

When a physical change occurs, the mass of the substance is conserved. This means that the total mass of the substance remains the same from beginning to end. The physical properties of the substance, such as size and shape, may change, but the amount of matter in the substance does not change.

Explanation:

When there is no change in chemical composition of a substance then it is known as physical change.

When we say that mass is conserved during a physical change then it means that total mass of the substance or object will remain the same from beginning till the end.

For example, a metal box of mass 20 grams is beaten with hammer. Its shape will change which is a physical change and after beaten with the hammer its mass still remains 20 grams.

You are in a desert on a hot day and see water in the distance. It is not really there, you see it because light bends due to a difference in the temperature of air. Which behavior of light best explains this? Select one: a. reflection b. translocation c. diffraction d. refraction

Answers

Answer:

d) refraction

Explanation:

in physics, refraction is the change of direction of a wave passing from one medium to another. refraction of light is the most commonly observed phenomenon but other waves such as sound waves and water waves also experience refraction

Answer:

B. Translocation

Explanation:

It means a change in location. It often refers to genetics, when part of a chromosome is transferred to another chromosome, you want a change in location because you are so thirsty in the desert and need water

How would clearing a forest to plant corn affect an enviroment

Answers

It would destroy animals homes shelter etc. it also would make global warming go faster. Hope this helped :D

The Law of Gravitation was mathematically defined by who?

Answers

The Law of Gravitation was mathematically defined by Isaac Newton

What kind of field does a direct current produce?

Answers

I produce magnetic field.

Produce magnetic field

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