A rock is thrown upward with a speed of 12 m/s on the surface of planet X where the acceleration of objects in free fall is 1.5 m/s² and there is no atmosphere.How long does it take for the laser to reach the maximum height? A)8.0 s B)11 s C)14 s D)16 s

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Quizplus · Accepted Answer

To find the time to reach maximum height, use the formula $t = \frac{v}{g}$, where $v = 12 \, \text{m/s}$ is the initial velocity and $g = 1.5 \, \text{m/s}^2$ is the acceleration due to gravity. Plugging in the values, $t = \frac{12}{1.5} = 8 \, \text{s}$.

A Rock Is Thrown Upward with a Speed of 12