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Need help! Thanks for whoever answers.
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Need help! Thanks for whoever answers.

Need help! Thanks for whoever answers.-example-1
User Joy Hyuk Lee
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1 Answer

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27 votes

Hi there!

Finding the time taken to land deals with the VERTICAL motion of the object, so we can disregard the horizontal velocity.

Use the simplified kinematic equation:

t = √2h/g

Plug in given values. Let g = 9.8 m/s²

t = √2(75)/9.8 = 3.91 sec

User Chris Smeele
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