WAEC - Physics (1993 - No. 7)
A particle starts from rest and moves with a constant acceleration of 0.5 ms-2? Calculate the time taken by the particle to cover a distance of 25m.
25s
7.1s
10.0s
50.0s
100.0s.
설명
S = ut + 1/2at2
25 = 0 + 1/2 x 0.5t2
T = 10s
25 = 0 + 1/2 x 0.5t2
T = 10s