Answer to Question #94651 in Physics for feiwqjde

Question

A car accelerating at 2.5 m/s2 reaches a velocity of 30 m/s in 6 seconds. The car's initial velocity was m/s

Answer 1

We have:

$$v_f=v_i+at$$

$$30=v_i+(2.5)(6)$$

$$v_i=15\frac{m}{s}$$