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Anastasy [175]
3 years ago
6

A 0.14 -kg baseball is moving at 41 m/s. A 0.058-kg tennis ball is moving at 67 m/s. Which of the two balls has higher kinetic e

nergy?

Physics
2 answers:
morpeh [17]3 years ago
5 0

Answer:The answer is tennis ball

Explanation:

i know this cause I'm good at math and why wouldn't you trust a random guy off the internet.

Iteru [2.4K]3 years ago
3 0
Since kinetic energy is a form of energy using the equation KE=¹/₂mv², the units of measurement is in Joules (J). Therefore, the tennis ball had more kinetic energy than the baseball since velocity is a larger factor than the mass is when determining kinetic energy.

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Answer: 6.125 ft

Explanation:

If this dish has the form of a concave upward parabola and its vertex p is at the origin, its corresponding equation is:

x^{2}=4py

Where:

x is the radius, which can be found by dividing the diameter d=14 ft by half. Hence x=\frac{d}{2}=\frac{14 ft}{2}=7 ft

y=2 ft is the depth

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Finding p:

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p=\frac{(7 ft)^{2}}{4(2 ft)}

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Explanation:

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r =\frac{(0.17m/s)^2}{0.29 m/s^2}=0.09m

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