Recent content by newtonsmac

Thanks. I forgot that vx stays constant.

Homework Statement - ball is thrown with a horizontal velocity of 18 m/s directly toward a tree - person who threw the ball is 1.5 m above the ground and 9 m away from the tree looking for time it takes to hit the tree, what height the ball hits the tree at, and the balls velocity when it...

how would you adjust the spring accurately?

Greetings fellow smart people. I am looking into making a device that can accurately launch a penny 0.0m to 10.0m quite accurately. I do not know whether I should a siege projectile launcher such as a catapult or trebuchet or something using compressed air. I want to try to make this out of...