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March 31, 2015

March 31, 2015

Posted by **Anonymous** on Saturday, January 28, 2012 at 7:38pm.

Where is the ball after 2.00 s?

vertical m from the ground?

If the ball is still in the air, how long before it hits the ground? (If the ball is not in the air, enter 0.)

s?

If the ball is still in the air, where will it be with respect to the starting point once it lands? m

please helpp thnks

- Physics -
**Damon**, Saturday, January 28, 2012 at 8:39pmhorizontal speed = 21 until it hits ground

so

x = 21 t as long as it is airborne

v = - g t = -9.8 t

y = 20.6 - 4.9 t^2

You should be able to get your answers from that.

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