Question

question 8 (1 point) for general projectile motion with no air resistance, on the way up the vertical component of a projectiles velocity ______?

a) remains a non - zero constant

b) continuously decreases

c) continuously increases

d) remains zero

Explanation:

In projectile motion without air resistance, the vertical component of velocity is affected by gravity (acceleration \( g = 9.8\,\text{m/s}^2 \) downward). As the projectile moves upward, the downward acceleration opposes the upward velocity, causing the vertical velocity to decrease continuously until it reaches zero at the peak. Option a is wrong (velocity isn’t constant vertically), c is wrong (velocity doesn’t increase upward), d is wrong (vertical velocity isn’t zero initially on the way up). So the correct answer is b.

Answer:

b) continuously decreases