Relative speed of Tina with respect to David is given by



now the acceleration of Tina with respect to David



now the relative displacement would be zero when Tina cross David
so now we have



now the speed of Tina at this moment is given as



<em>so the speed will be 52 m/s</em>
Answer: I think the answer <em><u>MIGHT</u></em> be: Boron, germanium, and tellurium....
Explanation:I know this cuz I had this question on my unit test and I had to look it up online....Hope this helps
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UwU ;-;
Earth quakes are commonly found along fault lines or tectonic plates.
Hope this helped :-) <span />