PDA

View Full Version : Phsics


super_sain
May 21, 2009, 11:24 PM
The girl running a race accelerates at 2.5 m/s^2 for first 4s of race. How far does she travel in this time

Perito
May 21, 2009, 11:34 PM
Physics:

This is the equation to use.

D=V_0T + \frac 12 AT^2

Vo is the initial velocity (in your case 0). A is the acceleration. T is the time. D is the distance. Can you handle it from here?