- #1
pingpong240
- 27
- 0
Here is the problem I am trying to do:
A sprinter can accelerate with constant acceleration for 3.8 s before reaching top speed. He can run the 100 meter dash in 15.0 s. What is his speed as he crosses the finish line?
I'm currently trying to break this into two separate intervals. I believe the variables I am trying to find are the acceleration for the first interval, the distance that the sprinter beings running at top speed, and of course that speed. I'm trying kinematic equations but I always seem to end up with two unknowns in the same equation. A little push in the right direction is much appreciated! : )
A sprinter can accelerate with constant acceleration for 3.8 s before reaching top speed. He can run the 100 meter dash in 15.0 s. What is his speed as he crosses the finish line?
I'm currently trying to break this into two separate intervals. I believe the variables I am trying to find are the acceleration for the first interval, the distance that the sprinter beings running at top speed, and of course that speed. I'm trying kinematic equations but I always seem to end up with two unknowns in the same equation. A little push in the right direction is much appreciated! : )