100 POINTS! PLEASE HELP!Write a brief explanation of what happened to the stack of blocks before and after you removed the bottom block in Part 1, in terms of forces and Newton’s laws.

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Answer 1

Answer:

Answer:

By the information given, I am not sure how the event has played out. However, using common knowledge, I can give a scenario of how it may play out.

When removing the first block (the foundation), gravity will pull the other blocks down, as the strength of gravity exceeds that of the strength of air holding it up. This means that all the blocks on top would fall.

By definition of Newton's 1st - 3rd laws, the blocks would not move unless a force is given to it (i.e., removing the bottom block, which causes gravity). Gravity would pull the other blocks downwards. This would lead to the falling of the stack of blocks.

Answer 2

Answer:

Answer:

Explanation:

A stack of blocks sits in equilibrium. That means, by Newton's 1st law, all blocks will remain stationary. The weight of each block is balanced by the reaction force from the block underneath it. The bottom block experiences a reaction force equals to the total weight of all blocks from the ground.

When the bottom block is removed, there will not be any reaction force from the ground. That causes a disturbance in the equilibrium. Without the balancing reaction, the blocks will have the gravity force from their weights pulling them down. By Newton 2nd law, the unbalance force will cause the blocks to accelerate towards the ground until they all crash-land.

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The atomic mass of an element is A. twice the number of protons in one atom of the element. B. the sum of the protons and neutrons in one atom of the element. C. a weighted average of the masses of an element’s isotopes. D. a ratio based on the mass of a carbon-12 atom.

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b. the sum of the protons and the neutrons in one atom of the element

Answer:

the answer is b

Explanation:

Calculate the average speed (in km/hr) of Charlie who runs to the store 4 km away in 30 mins

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First of all . . .

-- You want to know "km / hr", so you know you'll have to divide distance by time.

-- You want "km / hr", so you know the time will have to be in hours.

   30 minutes = 1/2 hour

-- Doo da division:

(4 km) / (1/2 hour)

   = (4 over 1/2) (km/hr)

   = (4 times 2/1) (km/hr)

   = 8 km/hr .

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The correct answer is ring. A disk made of many small particles of rock and ice in orbit around a planet is called ring. The rings of the planet Saturn is considered to be the most extensive planetary rings system in the Solar System.

what will be temperature on the kelvin scale if the indicated temperature on the Fahrenheit scale is 200degree Fahrenheit

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We can use Kelvin = 5/9 (Fahrenheit - 32) + 273.15

K = 5/9(168) + 273.15

K = (93 and 1/3) + 273.15

K = 366.48 (rounded)

kelvin=366.38(approximately)

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B. rilles.
C. maria.
D. highlands.

Answers

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