A car accelerates uniformly from rest at 5ms"2. Determine its speed after 10s

Physics Jamb, Waec, Neco Past Questions & Answers on Speed, Velocity and Acceleration

QUESTIONS 48. A car accelerates uniformly from rest at 5ms"2. Determine its speed after 10s. 

WAEC 2006 (Ans: 50.0ms"1) 

Solutions 

Uniform acceleration a, = 5m/s²

Speed v=?

Initial velocity u ,= 0m/s

time ,t = 10s

Uniform acceleration = change in displacement/time

v = u + at

v = 0 + 5 x 10

v = 0 + 50

v = 50m/s