I know I'm being really stupid, but I got the same wrong answer twice. Can anyone tell me what to do. Please?
A particle is constrained to move in a circle with 10m radius. Speed is 10m/s, increasing at a rate of 10m/s/s The angle between the particle\s velocity and acceleration vectors is
a) 0
b)30
c)45
d)60
e)90
Thanks in advance,