Solve each formula for the quantity given. 1. vavg = (vf + vi) for vi 2.

Solve each formula for the quantity given.
1. vavg = ½ (vf + vi) for vi
2. 2a (s – si) = v2 – v2i for a
3. 2a (s – si) = v2 – v2i for s
4. Ft = m (V2 – V1) for V1
5. Q = I2Rt/J for R
6. x = xi + vit + ½ at2 for xi
7. A = πr2 for r, where r is a radius
8. V = πr2h for r, where r is a radius
9. R = kL/d2 for d, where d is a diameter
10. V = 1/3 πr2h for r, where d is a radius
11. Q = I2Rt/J for I
12. F = mv2/r for v