Question

me ayudan con alguna

Answer 1

Explicación:

$Th_{v} = \frac{2v_{0} -sin\alpha }{gt} \\\\Th_{v}gt = 2v_{0} -sin\alpha \\\\Th_{v}gt + sin\alpha = 2v_{0}\\\\v_{0} = \frac{Th_{v}gt + sin\alpha}{2}$

$y = \frac{g-t^{2} }{2} \\\\2y = g-t^{2}$

$t^{2} = g-2y\\\\t = \sqrt{g-2y}$