- #1
takelight2
- 12
- 1
- Homework Statement
- A toy rocket moving vertically upward passes by a 2.1 m -high window whose sill is 8.0 m above the ground. The rocket takes 0.13 s to travel the 2.1 m height of the window.
What was the launch speed of the rocket? Assume the propellant is burned very quickly at blastoff.
- Relevant Equations
- s = ut + 1/2at^2
This is what I tried and it makes perfect sense to me. When i plug in the numbers to what I ended up with, I get an imaginary number for U initial...
Work is attached below.
Work is attached below.