Friday

February 27, 2015

February 27, 2015

Posted by **Jess** on Sunday, September 9, 2007 at 7:09pm.

When I use the quadratic formula, I get -8.97

- Physics -
**bobpursley**, Sunday, September 9, 2007 at 7:19pmHow can the time be negative?

0=10t-4.9

0=t(10-4.9t)

t=0, t=10/4.9 sec are the solutions

In the quadratic equation:

(-10+-sqrt100)/-9.8 = same answers.

**Answer this Question**

**Related Questions**

Physics - If a projectile is fired straight up at a speed of 10 m/s, the total ...

Physics - If a projectile is fired straight up at a speed of 10 m/s, the total ...

Physics - If a bullet was fired straight up at a speed of 30 m/s what would be ...

Physics - If a bullet was fired straight up at a speed of 30 m/s, what would be ...

Physics - If a bullet was fired straight up at a speed of 30 m/s, what would be ...

Physics - If a bullet was fired straight up at a speed of 30 m/s, what would be ...

Physics ASAP - I have a few questions that I need help with and that need to be ...

Phyics Word Problems - I have a few questions that I need help with and one that...

AP Physics - Could you please help me out with the following problems please? If...

Physics Probelms ASAP - Could you please check my work and help me with a couple...