Question

29. If the position vector of a particle is given by:
r=(8cos2t) i +(2sin2t) j+(6t) km, calculate its acceleration at t= π/4......?????​

Answer 1

Explanation:

of 60 m/s. The distance covered by the

particle in first two seconds of descent will be

(take g = 10 m/s2)

(1) 5 m

(2) 15 m

(3) 20 m

(4) 40 m

TMy I'd 1706301237