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Radda [10]
3 years ago
14

Maria is adding a shelf to her bookcase. The piece of wood she has for her shelf is 30 1/2 inches long . The other shelves are e

ach 27 1/4 inches long. How much longer is the piece of wood than the other shelves
Mathematics
1 answer:
Scilla [17]3 years ago
4 0

Answer:

3 1/4

Step-by-step explanation:

Given that :

Length of piece of wood = 30 1/2

Length of other book shelves = 27 1/4

Difference between the length gives how much longer the piece of wood is than the other book shelves :

30 1/2 - 27 1/4

61 /2 - 109 /4 = (122 - 109) / 4

(122 - 109) / 4 = 13 /4

13 /4 = 3 1/4

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jolli1 [7]

Step-by-step explanation:

Given that,

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Answer:

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Step-by-step explanation:

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DochEvi [55]

we know that

The scalar magnitude of the velocity vector is the speed. The speed is equal to

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therefore

<u>the answer Part a) is</u>

the speed is equal to 3.5\frac{m}{sec}

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we know that

<u>Velocity </u>is a vector quantity; both magnitude and direction are needed to define it

in this problem we have

the magnitude is equal to the speed

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direction=North\ East\ (NE)

therefore

<u>the answer Part b) is</u>

the velocity is 3.5\frac{m}{sec}\ North\ East\ (NE)

Part c)

we know that

the acceleration is equal to the formula

a=\frac{V2-V1}{t2-t1}

in this problem we have

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substitute in the formula

a=\frac{0-3.5}{15-0}

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therefore

<u>the answer Part c) is</u>

the acceleration is -\frac{7}{30}\frac{m}{sec^{2}}

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