As you look out of your dorm window, a flower pot suddenly falls past. The pot i
ID: 2165945 • Letter: A
Question
As you look out of your dorm window, a flower pot suddenly falls past. The pot is visible for a time (t) , and the vertical length of your window(Lw)is . Take down to be the positive direction, so that downward velocities are positive and the acceleration due to gravity is the positive quantity(g) .
Assume that the flower pot was dropped by someone on the floor above you (rather than thrown downward).
From what height h above the bottom of your window was the flower pot dropped?
Express your anwer in Lw, t, and g
Report Abuse
Explanation / Answer
let u be the velocity when the pot reaches the top of the window therefre Lw= ut + 0.5g(t^2) and let h1 be the initial height from the top of the window => h1 = 0.5g(t1^2) and u= g(t1) => h1 = u^2/2g and u = Lw- 0.5g(t^2)/(t) and therefore height from the bottom of the window = h1 + Lw = (Lw- 0.5g(t^2)/(t))^2/(2g) + Lw
Related Questions
Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Drop an Email at
drjack9650@gmail.com
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.