Question

O A particle moves in a straight line with speed v= |t-2|m/s2 find the distance travelled in first four seconds.​

Answer 1

u = 0m/s

a = t -2 m/s²

t = 4s

s = ut + 1/2 at²

s = 0×4 + 1/2 (t - 2)(4)²

s = 1/2 (4 -2) 16

s = 2(8)

= 16 m

the distance travelled in first 4s is 16m