Author Question: As a projectile moves in its parabolic path, the velocity and acceleration vectors are perpendicular ... (Read 83 times)

Zulu123 · **on:** Jul 28, 2018

As a projectile moves in its parabolic path, the velocity and acceleration vectors are perpendicular to each other
1.everywhere along the projectiles path.
2.at the peak of its path.
3.nowhere along its path.
4.not enough information is given.

Question 2

Suppose you are carrying a ball and running at constant speed, and wish to throw the ball and catch it as it comes back down. You should
1.throw the ball at an angle of about 45 above the horizontal and maintain the same speed.
2.throw the ball straight up in the air and slow down to catch it.
3.throw the ball straight up in the air and maintain the same speed.