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kolbaska11 [484]
3 years ago
13

Which of the following is true about a combustion reaction?

Physics
1 answer:
Ksenya-84 [330]3 years ago
7 0

Answer:

b

Explanation:

this is because inoder. for combustion or burning to take place oxygen must be available

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what is the net force of a 6 kg object that goes from a velocity of 0.5 m/s to a velocity of 3 m/s over the course of 1.5 second
baherus [9]

Answer:

∑F = 10.2 N

Explanation:

We have:

Initial velocity: 0.5 m/s

Final velocity: 3 m/s

Time: 1.5 s

We have all of the components needed to calculate acceleration. Let's do that, shall we?

a = vf-vo/t

a = 2.5/1.5

a = 1.7 m/s^{2}

Now, look at the Net Force equation:

∑F = ma

Plug in the variables, to get:

∑F = (6)(1.7)

∑F = 10.2 N (You can round this according to significant digits)

3 0
3 years ago
How can you say metre cube is a derived unit​
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Answer:

The newton (lowercase n!) is a derived unit because its definition consists of multiplication of three defined base units and nothing else. Its meaning is thus derived, not independently defined.

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2 years ago
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m_a_m_a [10]

Answer:

C

Explanation:

I figured it sounded more accurate

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