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chubhunter [2.5K]
3 years ago
7

Answer these questions with step by step

Physics
2 answers:
Harlamova29_29 [7]3 years ago
6 0

Answer:

i dont rlY KNow sorryyyyyyyyy

Explanation:

DedPeter [7]3 years ago
5 0
I’m pretty sure you should just guess cause
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Vedmedyk [2.9K]

Answer:

Explanation:

For an electric force, F the formula:

F = kQq/r^2

Given:

r2 = 1/2 × r1

F1 × r1 = k

F1 × r1 = F2 × r2

F2 = (F1 × r1^2)/(0.5 × r1)^2

= (F1 × r1^2)/0.25r1^2

= 4 × F1.

7 0
4 years ago
Scientists earlier believed that the lowest measurable temperature is the freezing point of ice. However, modern scientists beli
djverab [1.8K]
I think the correct answer from the choices listed above is the first option. The statement that best accounts for these different opinions would be that <span>scientists propose contradictory ideas to include all possibilities. Hope this answers the question. Have a nice day.</span>
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3 years ago
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If you hold one end of a nail against a piece of ice, the end in your hand soon becomes cold. Does cold flow
kvv77 [185]
Not ice to hand, but ice to nail to hand. The longer you have the nail on the ice the colder it becomes. Therefore resulting in your hand becoming colder.
7 0
3 years ago
Which sentence correctly uses a comma to separate coordinate adjectives?
lubasha [3.4K]

Answer:

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Explanation:

Coordinate adjectives are adjectives that describe the same noun equally. They should be separated with commas. In this sentence, both red and round are describing the ball. The correct answer is, "The red, round ball is Adley's favorite toy to play with."

6 0
2 years ago
What is the reaction force if a girl pulls on a cow?
Papessa [141]
Answer : B) The cow pulls back on the girl.

From newton’s third law we know that every action has a reaction force pushing back. So when the girl pulls on a cow, the cow is pulling back on her.
8 0
3 years ago
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