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Katen [24]
3 years ago
11

A tennis ball is hit into the air with a racket when is the balls kinetic energy he greatest ignore the air resistance

Mathematics
1 answer:
Veronika [31]3 years ago
7 0

Kinetic energy is the energy of an object in motion.

The tennis ball would create kinetic energy as it was both traveling up to it's maximum height and as it was falling back down to the ground.

Because of gravity, the kinetic force would be greater as it was falling back to the ground though.

The answer would be B) just before it reaches the ground.

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Step-by-step explanation:

Hi, to answer this question we have to write system of equations with the information given:

The space each goat needs (4) multiplied by the number of goats (x); plus The space each llama needs (10) multiplied by the number of llamas must be less or equal to the acre land available (800)

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The amount of veterinary care (in $) each  goat needs (110) multiplied by the number of goats (x); plus The  amount of veterinary care   each llama needs (88) multiplied by the number of llamas (y)must be less or equal to the Rancher's budget.(14520)

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Multiplying the first equation by 27.5, and subtracting the second equation to the first one:

110x + 275y ≤22,000

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y ≤ 7480/187

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Replacing y in the first equation

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x ≤ 100

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3 years ago
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