Friday

February 27, 2015

February 27, 2015

Posted by **sandhu** on Thursday, September 17, 2009 at 8:26pm.

- physics -
**bobpursley**, Thursday, September 17, 2009 at 8:39pmhf=0=40 + 12t-4.9t^2

solve for t, the time when the ball is at the bottom.

avg speed= 31/time

**Answer this Question**

**Related Questions**

Physics - A ball is thrown upward from the top of a 24.6 m tall building. The ...

Physics - A ball is thrown upward from the top of a 50.0 m tall building. The ...

physics - A ball is thrown upward from the top of a 24.4-m-tall building. The ...

physic - A ball is thrown upward from the top of a 24.4 m tall building. The ...

physics - A ball is thrown upward from the top of a 27.0-m-tall building. The ...

physics - A ball is thrown upward with an initial velocity of 6.0m/s by someone ...

Physics - A ball is thrown upward from the ground with an initial speed of 23.2 ...

Physics - A ball is thrown upward from the ground with an initial speed of 23.2 ...

Physics - A ball is thrown upward from the ground with an initial speed of 49 m/...

Physics - A ball is thrown upward from the ground with an initial speed of 23.1...