WAEC - Physics (2000 - No. 8)
A bus travelling at 15ms\(^{-1}\) accelerates uniformly at 4ms\(^{-2}\), what is the distance covered in 10s?
150m
170m
350m
600m
설명
given: u = 15m/s, a = 4m/s\(^2\), t = 10secs, S = ?
Using:
S = ut + \(\frac{1}{2}\)at\(^2\)
S = 15 x 10 + 0.5 x 4 x 100
S = 350m.