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Gre4nikov [31]
3 years ago
10

A car travels a distance of 800m in 40s find its speed

Mathematics
2 answers:
omeli [17]3 years ago
8 0

Answer:

the answer is 20m/s

Step-by-step explanation:

speed = distance/time which equals to speed = 800/40, so the answer is 20m/s

Ghella [55]3 years ago
5 0

Answer:

20m /s

Step-by-step explanation:

Speed = \frac{Distance}{time}

             = \frac{800}{40}=\frac{80}{4}= 20

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The time taken for the ball to fall a distance of 10feet is 1.25secs

Given the function modeled by the height expressed as:

f(t) =-16t² + 35

In order to determine the time taken by the all to fall a distance of 10 feet, hence;

f(t) = 10

10 = -16t² + 35

-16t² = 10 - 35

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-t² = -25/16

t² = 25/16

t = √25/16

t = 5/4

t = 1.25secs

Hence the time taken for the ball to fall a distance of 10feet is 1.25secs

Learn more here: brainly.com/question/13881652

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