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

question 77

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 3.50 kg.What is the density of the rock? (water density = 1 000 kg/m³)

• A) 0.71 × 10³ kg/m³
• B) 0.7 × 10³ kg/m³
• C) 0.29 × 10³ kg/m³
• D) 1.7 × 10³ kg/m³
• E) ​2.2 × 10³ kg/m³

---

Definitions:

Modern Technology

Contemporary tools, devices, and techniques used to facilitate tasks and solve problems in various domains, including communication, transportation, and healthcare.

Daily Basis

A frequency or routine in which activities or tasks are conducted every day.

Winter Olympics

A multi-sport event held every four years, featuring winter sports competitions where athletes from various countries participate.

Predicted Values

The outcomes estimated by a statistical model, based on certain input variables.