Formulae (V2)

Question 1

For displacement of particle/body along circular track. Hint:
Rather then finding triangle’s area and then sector’s area you use this:

Answer 1

2R sin(Q/2)

where, R = radius and Q = angle

Question 2

Displacement in nth second:

Answer 2

Snth = Sn - S(n-1)
Snth = u + a/2•(2n-1)