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 Author Topic: Initial velocity for two projectiles  (Read 5326 times) 0 Members and 1 Guest are viewing this topic. Click to toggle author information(expand message area).
Fu-Kwun Hwang
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 « Embed this message on: October 02, 2009, 10:49:08 pm » posted from:Taipei,T\'ai-pei,Taiwan

The following picture shows trajectory for two projectiles.

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
 projectiles2.gif (7.37 KB, 632x349 - viewed 603 times.) Logged
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Discovery consists of seeing what everybody has seen and thinking what nobody has thought. ..."Albert von Szent-Gyorgyi(1893-1986, 1937 Nobel Prize for Medicine, Lived to 93)"