Recent content by vmercadooo

Spinnor: That's the answer I got, too, but the correct answer is simply 28 m/s. I think something must be wrong with my axes/alignment.

Homework Statement Gwen releases a rock at rest from the top of a 40 m tower. If g = 9.8 m/s2 and air resistance is negligible, what is the speed of the rock as it hits the ground? v0 = initial velocity = 0 a = acceleration = 9.8 Δy = displacement in y direction = -40 v = final velocity =...