A) 28.20 m/s^2
B) 572,400 m/s^2
C) 281.6 m/s^2
D) 5707 m/s^2
please show me how to get answer
1 Answer

Angularspeed, w = 2695 rpm = 2695*2pi/60 = 282.22 rad/sec,
Radius, r = 7.165 cm = 0.07165 meters,
So,
linearvelocity, v = rw = 0.07165*282.22 = 20.22 m/sec,
Hence,
Acceleration, a = v^2/r = (20.22)^2/0.07165 = 5706.78 m/s^2 >========< ANSER