Question

A car starts from rest accelarating at 1.5 m/s for 30 second. Calculate the final velocity after 10 sec.

Answer 1

Speed after 30 sec V=u+at. V=O+1.5x30 V=45m/s. Speed after 10 sec v=u+at V= 0+1.5x10 V= 15m/s

Answer 2

Following v = u + at formula, answer is 15 m/s