JAMB - Physics (1983 - No. 13)
A train has an initial velocity of 44ms-1 and an acceleration of -4ms-1. Its velocity after 10 seconds is
2ms-1
4ms-1
8ms-1
12ms-1
16ms-1
คำอธิบาย
Using V = at + u
V = (-4 x 10) + 44
= 4ms-1
V = (-4 x 10) + 44
= 4ms-1