Text: An encoder measures the rotational speed of a motor and generates 60 pulses for each revolution of the motor shaft. During 2 seconds, the encoder generated 1200 pulses. The rotational speed of the motor is 6.
Answer: a) 300 rev/min. b) 600 rev/min. c) 1,200 rev/min. d) 2,400 rev/min.
7. Answer: a) 300 rad/sec. b) 62.8 rad/sec. c) 120 rad/sec. d) 10 rad/sec.