A laser is thrown upward with a speed of 12 m/s on the surface of planet X where the acceleration due to gravity 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

The time to reach maximum height can be calculated using the formula $t = \frac{v}{g}$, where $v$ is the initial velocity (12 m/s) and $g$ is the acceleration due to gravity (1.5 m/s$^2$). Substituting the given values, $t = \frac{12}{1.5} = 8$ seconds.

A Laser Is Thrown Upward with a Speed of 12