Question

A point p is taken to be origen of time and position two point Q and T situated on a straight line passing through P the position of Q and R are 8m and 12m respectively while the insatand at which body reach these point are 3s and 5s what is the speed of the body​

Answer 1

Explanation:

Q. P. R

•________•_________• Distance 8m 12m

Time. 3s. 5s

Distance from P to Q = 8m

Time taken = 3s

Distance from P to R = 12m

Time taken = 5s

Avg speed = Total distance covered

----------------------------------

Total time taken

= 20

------ m/s. = 2.5 m/s

8