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 Post subject: projectile motion;Posted: Tue, 22 Sep 2009 02:32:28 UTC
 S.O.S. Newbie

Joined: Tue, 22 Sep 2009 02:29:02 UTC
Posts: 2
i don't understand what to do..
i've tried multiple times to get the answers,
but i can't. can anyone please assist me?
thank you so much!

1) http://i288.photobucket.com/albums/ll17 ... i/idk2.jpg
[it's a two part question..]

2) a shell is fired from the ground with an initial speed of 1.70x10^3 m/s (approximately five times the speed of sound) at an initial angle of 41.0 degrees to the horizontal. the acceleration due to gravity is 7.8 m/s^2. neglecting air resistance, find the shell's horizontal range. answer in units of m. also, how long is the shell in motion? answer in units of s.

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 Post subject: Posted: Tue, 22 Sep 2009 03:46:13 UTC
 S.O.S. Newbie

Joined: Tue, 22 Sep 2009 02:29:02 UTC
Posts: 2
I FIGURED IT OUT thank you though.

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