Question

plzz answer really urgent and give correct answers​

Answer 1

Answer:

Radial acceleration an=v2/r

at t = 1s, v= 2 m/s  an=22/1=4m/s2

Tangential acceleration at=dv/dt=4t

at t = 1 s, at=4m/s2

so, a=an2+at2

a=42+42=42m/s2