Question

A trolley, while going down an inclined plane, has an acceleration of 2 cm s^-2. What will be it's velocity 3s after the start? 

Answer 1

Acceleration, a = 2 cm s^-2

Time, t = 3s

Initial velocity, = 0 cm s^-1

Final velocity, v = ?

Using the relationship, one can write

v = u + at

v = 0 cm^-1 + 2 cm s^-2 × 3 s

= 0 cm s^-1 + 6 cm s^-1 = 6 cm s^-1