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Varvara68 [4.7K]
3 years ago
11

A force of 24 Newtons acts on an object for 2 seconds. What is

Physics
1 answer:
Law Incorporation [45]3 years ago
5 0
It’s (D.)
24/2=12
F=ma
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2) A 20 kg mass moving at a speed of 3 m/s is stopped by a constant force of 15 N. How many seconds must the force act on the ma
hammer [34]

Take the object's starting direction of motion to be the positive direction, so that a stopping force acts in the opposite direction. By Newton's second law, the object undergoes an acceleration <em>a</em> such that

-15 N = (20 kg) <em>a</em>

Solve for <em>a</em> :

<em>a</em> = - (15 N) / (20 kg) = -0.75 m/s²

The object's velocity <em>v</em> at time <em>t</em> is then given by

<em>v</em> = 3 m/s + (-0.75 m/s²) <em>t</em>

so the time it takes for the object to slow to a rest is

0 = 3 m/s + (-0.75 m/s²) <em>t</em>

<em>t</em> = (3 m/s) / (0.75 m/s²) = 4.0 s

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What state of matter takes the shape and volume of its container, like the steam coming from a pot A) gas B) liquid Eliminate C)
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Ummm gas takes the shape and volume of its container, but I don't know about plasma. Solids definitely don't, and liquids don't change their volumes. So I would say gas. :)

6 0
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Is an electron cloud bigger than an atom?
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no

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An electron is one of the components of an atom, so it cannot be larger than that.

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Calculate the average speed of talias car during the trip
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Answer:

We're no strangers to love

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We've known each other for so long

Your heart's been aching but

Never gonna give you up

Never gonna let you down

Never gonna run around and desert you

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Never gonna say goodbye

Never gonna tell a lie and hurt you

No, I'm never gonna give you up

No, I'm never gonna let you down

No, I'll never run around and hurt you

I'll never, ever desert you

Explanation:

RICK ROLLED

8 0
3 years ago
When does air become turbulent around a thrown ball?
kherson [118]

Answer: B (on the rough side)

Thanks for using Brainly! Vote Biden 2020

Hope we influenced your vote!

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