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Romashka [77]
3 years ago
11

Kx-bf=fy/m solve for y

Mathematics
2 answers:
kiruha [24]3 years ago
8 0
So you need to isolate y:
First you multiply m on both sides:
m(Kx - bf) = fy
Then, you divide f on both sides:
\frac{(m(Kx-bf))}{f} = y
svetoff [14.1K]3 years ago
5 0
Multiply both sides by (m) and you get (mkx-mbf=fy)

Then divide both sides by (f) and you get ((mkx-mbf)/(f)) = y
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In a volleyball match Hanein serves the volleyball The height of the the ball above the court
forsale [732]

(a) The maximum height of the ball above the ground is 12.5 m and the time of motion is 1.43 s.

(b) The time taken for the ball to contact the other player at 0.5 m above the ground is 3.0 s.

<h3>Maximum height reached by the ball</h3>

The maximum height reached by the ball is calculated as follows.

At maximum height, the final velocity, v = 0

dh/dt = v = 0

dh/dt = -2(4.9)t + 14

0 = -9.8t + 14

9.8t = 14

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<h3>Time to reach maximum height</h3>

12.5 = -4.9t² + 14t + 2.5

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<h3>Time for the ball to reach 0.5 m above the ground</h3>

0.5 = -4.9t² + 14t + 2.5

4.9t² - 14t + - 2 = 0

t = 3.0 seconds

The complete question is below:

In a volleyball match Hanein serves the volleyball at 14 m/s, from a height of 2.5 m above the court. The height of the ball in flight is estimated using the equation, h = -4.9t² + 14t + 2.5, where t is the time in second and h is height above ground, in metres.

Learn more about time of motion here: brainly.com/question/2364404

#SPJ1

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2 years ago
I cant get this question
tankabanditka [31]

Answer:

is there a picture that i can see?

Step-by-step explanation:

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3 years ago
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