Recent content by KBL-8

Whops. Can't subtract.

This answer only provided as a reference. I'm no physics ace... Assuming speed of sound at sea level = 340.3 m/s There are 17.4m between the balcony and the man, so it takes D/T=R -> 17.4/340.3 = .05s for the sound to reach the (top of the) man. So you need to shout about 0.3s+.05s=0.35s before...

Edit: Tried to post three times and forum kept adding the prompts. Removed Prompts. Homework Statement Three blocks are initially at rest on a level frictionless surface. At t=0s, a three identical forces are applied to a different point on each block. Each block is a rectangle approximately...