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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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A group of friends wants to go to the amusement park. They have no more than $110 to spend on parking and admission. Parking is
olga nikolaevna [1]

Answer:

Inequality: 20.50x + $17.75 ≤ $110

Solve: 4 people can go to the amusement park

Explaination:

Inequality:

$110 = Amount of money they have

$17.75 = Parking Cost

$20.50 = Cost of tickets per person

<em>Because they only have $110, they can't spend more than that amount. </em>

Therefore, the inequality would be the ticket cost per person, times the amount of people being payed for (aka x) plus the parking cost is less than or equal to the amount of money they have to spend. Hence the inequality:

<em>20.50x + $17.75 ≤ $110</em>

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$110 - $17.75 = $92.25 (92.25 is how much is left for tickets after subtracting the parking cost)

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