4 years ago

How am I supposed to answer this question

Mathematics

1 answer:

mario62 [17]4 years ago

3 0

The answer to the question

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Stolb23 [73]

Answer:

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Step-by-step explanation:

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3 years ago

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Where v is the final velocity (in m/s), u is the initial velocity (in m/s), a is the acceleration (in m/s²) and s is the distanc

Anna11 [10]

Answer:

The final velocity v is 21.74 m/s.

Step-by-step explanation:

Given:

$\textrm{initial velocity} = u = 9\ m/s\\\textrm{acceleration} = a = 7\ m/s^{2}\\\textrm{distance} = s = 28\ m$

To find:

$\textrm{final velocity} = v = ?$

Solution:

As we know the third equation of motion is represented as

$v^{2} = u^{2} + 2\times a\times s\\$

Substituting the values u, a and s in the above equation we get

$v^{2} = 9^{2} + 2\times 7\times 28\\ =81 + 392\\=473\\$

$v =\±\sqrt{473} \\v =\sqrt{473} \ \textrm{as acceleration is positive v is also positive}\\v = 21.74\ m/s$

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3 years ago

12+6 over N What is the value of when N= 2? A.6 B.9 C.12 D.18

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Answer:

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3 years ago

What is 1 over 40 in decimals

Sindrei [870]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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