Author Topic: Initial velocity for two projectiles  (Read 5693 times)

Fu-Kwun Hwang

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Initial velocity for two projectiles
« on: October 02, 2009, 11:49:08 pm »
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