PHYSICS HIGH SCHOOL

The Earth's _____is what gives us day and night

1. Orbit
2. Rotation
3.Revolution

Answers

Answer 1

Answer:

Answer: 2nd option, Rotation

I hope this helps, and Stay Safe! :)

Answer 2

Answer:

Answer:

rotation

Explanation:

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What type of heat transfer is used to fry an egg in a pan and how can you tell?A) It is conduction because the egg gets cooked. B) It is conduction because the egg is touching the pan. C) It is convection because you put oil in a frying pan to cook in it. D) It is convection because you can feel the heat a few inches away from the pan.
The acceleration of a moving vehicles is 10 metre per second square what does it means
If you drop a stone into a hole drilled all the way to the other side of Earth, the stone will _____. A. speed up until it gets to the center of Earth B. slow down until it reaches the center of Earth C. speed up until it reaches the other side of Earth D. stop at the center of Earth
Question on attachment
Whatare two diffent units that represent work

Two identical beakers with the same volume of water are placed on each pan of a double-pan balance. A steel ball is suspended from a string and submerged in the water of one of the containers. A hollow plastic ball of the same volume is submerged in the water of the other container and fastened to the bottom of the beaker by a string. Will the balance move, and if so in which direction?

Answers

Answer:

The pan having beakers with steel ball will go down.

Explanation:

Both steel ball and plastic ball will experience buoyant force in upward direction . These forces will have same magnitude because they displace same volume of water. Both of them experience reaction force of buoyant force acting in downward direction which will try to lower the pan equally. But in case of plastic ball which is tied to the bottom , the tense string will apply a force equal to buoyant force in upward direction on the bottom of the beaker.

This force will balance the reaction buoyant force acting on the bottom of beaker in downward direction . Hence this pan will remain balanced but the other pan will go down.

Which of the following is a result of reduced levels of red blood cells and elevated levels of white blood cells in the body?

Answers

The cells that circulate in the bloodstream are generally divided into three types, white blood cells.

Which of the following properties of water help to explain why icebergs float in the ocean?Icebergs are composed of freshwater and freshwater is less dense then salt water.

Icebergs are composed of freshwater and freshwater is more dense then salt water.

Icebergs are colder then the ocean water and cold water is less dense then warm water.

Icebergs are colder then the ocean water and cold water is more dense then salt water.

Answers

The reason why icebergs float in the ocean has to do with temperature. Icebergs are colder than the ocean water and therefore the cold water is less dense than the warm water and this causes the Iceberg to float.

According to the law of conservation of energy, the total amount of energy in the universe?A. changes constantly
B. remains constant
C. increases
D. decreases

Answers

b. Remains constant

hope this helps

A 20 kg box moving at an initial speed of 10 m/s slides 25 m to the right on a horizontal floor before it comes to a complete stop. What is the coefficient of friction between the box and the floor?