If a projectile is fired straight up at a speed of 10 m/s,neglecting air resistance,the time it takes to reach the top of its path is
A)1 s.
B)2 s.
C)10 s.
D)not enough information

Question

Quizplus · Accepted Answer

The time to reach the top of the path can be calculated using the formula $ t = \frac{v}{g} $, where $ v $ is the initial velocity (10 m/s) and $ g $ is the acceleration due to gravity (approximately 9.8 m/s²). Thus, $ t = \frac{10}{9.8} \approx 1 $ second.

If a Projectile Is Fired Straight Up at a Speed