Multiply 0.635 m/s2 by 3 s to get the velocity change: 1.905 m/s
You can do the rest.
A runner accelerates to a velocity of 5.28 m/s due west in 3 s. His average acceleration is 0.635 m/s2, also directed due west. What was his velocity when he began accelerating?
2 answers
V2 - V1 = 0.635*3 = 1.905 m/s
V2 = 5.28 m/s
Solve for V1.
V1 = 5.28 - 1.905 = ? m/s
V2 = 5.28 m/s
Solve for V1.
V1 = 5.28 - 1.905 = ? m/s