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

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). This gives $ t \approx \frac{10}{9.8} \approx 1 $ second.

If a Projectile Is Fired Straight Up at a Speed