You are viewing a post by marjanpatrick. View all 33689 posts in [align=center][img]http://img64.imageshack.us/img64/9004/katangahan.png[/img] ------------------------------------------------------------------------------------------------- [b]FOR THE RULES & RERGU.
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- tnx tnx.
[quote=xxBUBBLiExx]7. A firecracker tossed into the air at 60* with the horizontal at a speed of 30 m/s exploded 15m away. How long was the firecracker in the air before it exploded? How high did it go?[/quote]
- ah.. gamitin mo yung formula na vix=vicos(theta), viy=visin(theta) tapos yung iba pang formula na katulad ng vy^2=viy^2 + 1/2at^2. haha. gulo. hirap i explain dito ftalk. kaya mo yan.
Last edited by marjanpatrick (2009-01-11 08:01:26)