A 2000 Kg Car Accelerates from Rest to a Velocity

question 12

Multiple Choice

A 2000 kg car accelerates from rest to a velocity of 20 m/s in 10 seconds.The power of the engine during this acceleration is

• A) 50 kW.
• B) 40 kW.
• C) 30 kW.
• D) 20 kW.
• E) 10 kW.

---

Definitions:

Systematic Observation

A structured method of data collection where phenomena or behaviors are consistently monitored according to specific criteria and recorded for analysis.

Superordinate Goals

Objectives that require the cooperation of two or more opposing groups, leading to collaboration and reducing conflict.

Sherif's Research

Refers to the work of Muzafer Sherif, known for his studies on social norms, conformity, and the Robbers Cave Experiment illustrating intergroup conflict and cooperation.

Social Psychologists

Researchers and practitioners who study how individuals' thoughts, feelings, and behaviors are influenced by the actual, imagined, or implied presence of others.