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RSB [31]
2 years ago
10

Round 8.5 to the nearest whole number.

Mathematics
1 answer:
BlackZzzverrR [31]2 years ago
8 0

Answer:

9

Step-by-step explanation:

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Step-by-step explanation:

It is given that,

Initial speed of the car, u = 40 m/s

Final speed of the car, v = 25 m/s

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(a) We need to find the magnitude and direction of the car’s acceleration as it slows down. It can be calculated using formula as :

a=\dfrac{v-u}{t}

a=\dfrac{25-40}{3.5}

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The acceleration is in the opposite direction of motion i.e. west.

(b) Let s is the distance the car travel in the 3.5-s time period. It can be calculated using the third equation of motion as

s=\dfrac{v^2-u^2}{2a}

s=\dfrac{25^2-40^2}{2\times (-4.28)}

s = 113.9 meters

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1.What letter can you draw on a coordinate plane to help you remember the order of the quadrants?
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75 is equal to opposite angle of x.

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