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Title: Initial velocity for two projectilesPost by: Fu-Kwun Hwang on October 02, 2009, 10:49:08 pm
The following picture shows trajectory for two projectiles.
(http://www.phy.ntnu.edu.tw/ntnujava/index.php?action=dlattach;topic=1232.0;attach=1387;image) If Vx, Vy and Vx,Vy are velocity for two projectiles. Which of the following one is correct? A. Vx=2Vx, Vy=2Vy B. Vx=Vx, Vy=2Vy C. Vx=$\sqrt{2}$Vx, Vy=$\sqrt{2}$Vy D. Vx=Vx, Vy=$\sqrt{2}$Vy |