2 years ago

Please look at the image which includes the question ! I need help on this. I am pretty confused right now.

Mathematics

1 answer:

vlabodo [156]2 years ago

5 0

I'm guessing it's (8,9)

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An 8.0 kg block is moving at 3.2 m/s. A net force of 10 N is constantly applied on the block in the direction of its movement, u

Softa [21]

Answer:

5.02 m/s

Step-by-step explanation:

We are given that

Mass of block,m=8 kg

Initial velocity,u=3.2 m/s

Net force ,F=10 N

Distance,s=6 m

We have to find the approximate final velocity of the block.

We know that $a=\frac{F}{m}$

Using the formula

$a=\frac{10}{8}=\frac{5}{4} m/s^2$

We know that

$v=\sqrt{u^2+2as}$

Using the formula

$v=\sqrt{(3.2)^2+2\times \frac{5}{4}\times 6}$

$v=5.02 m/s$

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The answer to this question is 8 for $6

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2 years ago

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cestrela7 [59]

Answer:

Step-by-step explanation:

Sum the parts of the ratio, 5 + 3 = 8 parts

Divide the total area by 8 to find the value of one part of the ratio.

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1- B
2- C
3- B
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5- D
6- C
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8- C
9- C
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