Question

Plz anybody answer it

Answer 1

Explanation:

use

s=ut+1/2at²

D1=50a

D1+D2=200a

so D2=150a

D2=3D1

Answer 2

Answer:

55 sec

Explanation:

=>total distance=100+1000=1100m

=>velocity=72 km/h=(72 x 1000)/3600=20 m/s

=> speed=distance/time

=>•°• time=1100/20= 55 sec

hope this helps you