Friday

March 6, 2015

March 6, 2015

Posted by **pinky** on Friday, September 23, 2011 at 12:01am.

- physics -
**Steve**, Friday, September 23, 2011 at 4:58pmJust get out your good old

v = at

s = 1/2 at^2

formulas and work with them a bit.

We want to find out how long it will take to go 245m under acceleration.

245 = 7t + .4t^2

t = 17.5 sec

v = 7 + .8*17.5 = 21.0 m/s

**Answer this Question**

**Related Questions**

physics - A car traveling initially at +5.7 m/s acceler- ates uniformly at the ...

physics - A car traveling initially at 7.41 m/s accelerates at the rate of 0.752...

Physics - 1) A physics book is moved once around the perimeter of a table of ...

Physics - A car traveling with an initial velocity of 68 km/h accelerates ...

physics - 1) A car, initially traveling with a uniform velocity, accelerates at...

Physics - Car A is traveling at 18 m/s and car B at 25 m/s. Car A is 300m behind...

physics, HELP ASAP PLEASE! - a car starts and accelerates uniformly at a rate of...

physics - A car traveling initially at 9.52 m/s acceler- ates at the rate of 0....

Physics - A car traveling initially at 7.49 m/s acceler- ates at the rate of 0....

Physics - A car traveling with an initial velocity of 15.5 m/s accelerates at a ...