Question

An object is projected from ground with speed
20 m/s at angle 30° with horizontal. Its centripetal
acceleration one second after the projection is
[Take g = 10 m/s2]
(1) 10 m/s2
(2) Zero
(3) 5 m/s2
(4) 12 m/s2
Explanation required.​

Answer 1

Explanation:

mac = mg

ac= g = 10m/sec^2