Posted by **Sue** on Monday, August 27, 2012 at 9:26pm.

At the end of 2 seconds of free fall an object released from rest will have a speed of A. 5m/s B 10m/s C 15m/s D none of the above

- Science -
**Charrice**, Monday, August 27, 2012 at 9:41pm
final velocity = initial velocity + (acceleration due to gravity x time)

final velocity= 0 m/s +(-9.8 m/s^2)(2 s)

final velocity = -19.6 m/s or 20 m/s

answer (D)

- Science -
**Sue**, Monday, August 27, 2012 at 10:03pm
thank you I couldn't remember the formula

## Answer This Question

## Related Questions

- Physics - An object is released from rest at height h above the surface of the ...
- science - On the planet mars, a free falling object released from rest falls 4m ...
- phy - Review. An object with a mass of m 5 5.10 kg is attached to the free end ...
- College Algebre - Here is the math problem: The height of an object in free fall...
- physical science - A hot air balloon is rising upwards at a constant velocity of...
- Science - How far does any object on Earth fall after being in free fall for 7.5...
- Algebra - The height of an object after it is released can be modeled by the ...
- 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...
- Math Help - Let v(t)=t^2−3t be the velocity, in feet per second, of an ...

More Related Questions