You are holding the neck of a champagne bottle at an elevation of 27 degrees when you pop the cork. The highest point in the cork's flight is 3.5 m above its initial height. What was the cork's initial speed?

Question

You are holding the neck of a champagne bottle at an elevation of 27 degrees when you pop the cork. The highest point in the cork's flight is 3.5 m above its initial height. What was the cork's initial speed?
Use SI units in the second box.

Henry · Answer

Y^2 = Yo^2 + 2g*h = 0 Yo^2 = -2g*h = 19.6*3.5 = 68.6 Yo = 8.28 m/s=Ver. component of initial velocity. Vo = Yo/sin A = 8.28/sin27 = 18.24 m/s. = Initial velocity.

Ryan · Answer

thanks henry..... dont know why i didn't see that earlier