2 years ago

A stone is dropped from a height of 490 meters. I how many seconds does it hit the ground?

Mathematics

1 answer:

sergij07 [2.7K]2 years ago

3 0

Use this website: https://www.angio.net/personal/climb/speed.html

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ch4aika [34]

Answer:

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ΔX = 2 – 1 = 1

ΔY = 22 – 11 = 11

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m_a_m_a [10]

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lukranit [14]

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Sauron [17]

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valentinak56 [21]

Step-by-step explanation:

$\huge \: 2 \sqrt{x} .4 {x}^{ - \frac{5}{2} } \\ \\ \huge \: = 2.4 {x}^{ \frac{1}{2} } . {x}^{ - \frac{5}{2} } \\ \\ \huge \: = 8 {x}^{ \frac{1}{2} - \frac{5}{2} } \\ \\ \huge \: = 8 {x}^{ \frac{1 - 5}{2} } \\ \\ \huge \: = 8 {x}^{ - \frac{4}{2} } \\ \\ \huge \: = 8. {x}^{ - 2} \\$

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