Homework Statement
An assembly line has a staple gun that rolls to the left at 1.0 m/s while the parts to be stapled roll past it to the right at 3.0 m/s. The staple gun fires 10 staples per second. How far apart are the staples?
Homework Equations
I am lost but I still came up with an...
Thank you.
This is what I came up witjh:
d= (1/2)*9.8m/s^2*t^2
5 m = 1/2*9.8m/s^2*t^2
t = 1 sec
So it takes 1 sec for the ball to hit the water. The velocity is 5 m/s.
Since there are 2 seconds left for it to reach the bottom of the lake the lake is 10 meters deep.
Thank you.
Homework Statement
A lead ball is dropped into a lake from a diving board 5.0 meters above the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water. The ball reaches the bottom 3.0 seconds after it is released. How...