Question

Pls answer q.2, q.3 and q.4....plss

Answer 1

Answer:

Explanation:

2) radius = diameter/2

∴ radius= 70/2 = 35m

length= 2πr

          = 2× 3.14×35

         = 219.8 m

distance = 2× 219.8 = 439.6m

displacement will be zero as it returns to the same initial position after 2 rounds.

3) distance= 2AB

displacement is zero because it returns again to point A

4) Length= 2πr

               = 2× 3.14× 10 × 10⁻²

               = 0.628m

velocity = distance/time

v = 0.628/60   (∵ 1 min = 60 sec )

v= 0.01 m/s