Question

a object movie 18 metre in the first 3 second 22 metre in the next 3 second and 14 m in the last 3 second what is it average speed

Answer 1

Given that ,
Distance travelled in first 3 seconds is 18 meters .
In next 3 seconds it covers another 22 meters .
At last ot covers 14 meters in last 4 seconds .
We know that ,
Average speed= total distance travelled/ total time taken ,
So we get , 18 + 22+14 / 3+3+3= 6 m/ s