A Solid Rock,suspended in Air by a Spring Scale,has a Measured

question 76

Multiple Choice

A solid rock,suspended in air by a spring scale,has a measured mass of 8.50 kg.When the rock is submerged in water,the scale reads 4.00 kg.What is the density of the rock? (water density = 1 000 kg/m³)

• A)6.8E+2 kg/m³
• B)8.9E+2 kg/m³
• C)3.2E+2 kg/m³
• D)1.9E+3 kg/m³
• E)​1.9E+6 kg/m³

---

Definitions:

RSLogix Software

A software application developed by Rockwell Automation for programming Allen-Bradley PLCs and control systems, used for developing and troubleshooting.

Addressing Conflicts

Occurs when two or more devices or processes attempt to use the same resource, such as memory addresses, causing errors or malfunctions.

Scan Time

The duration a programmable logic controller (PLC) takes to read inputs, execute the program logic, and update the outputs.