A CD with a Diameter of 12

question 54

Multiple Choice

A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.0 rad/sec² acquires an angular velocity of 5.0 rad/sec.The CD continues rotating at 5.0 rad/sec for 15.0 seconds and then slows to a stop in 12.0 second with a constant angular deceleration.What is the centripetal acceleration of a point 4.0 cm from the center at the time 25.0 seconds from the start?

• A) 0.47 m/s²
• B) 0.40 m/s²
• C) 0.34 m/s²
• D) 0.24 m/s²
• E) 0.20 m/s²

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Definitions:

Modbus

A network that uses a master/slave communication technique.

Fieldbus

An open, all-digital, serial, two-way communications system that interconnects measurement and control equipment such as sensors, actuators, and controllers.

Serial Communication Protocols

Standards or systems for the organized transfer of data sequentially over a communication channel between computers and devices.

Closed-Loop

Closed-Loop refers to a system or process that uses feedback to control states or outputs, aiming for stable operation and error correction.