Two Automobiles Traveling at Right Angles to Each Other Collide

question 14

Multiple Choice

Two automobiles traveling at right angles to each other collide and stick together.Car A has a mass of 1200 kg and had a speed of 25 m/s before the collision.Car B has a mass of 1600 kg.The skid marks show that,immediately after the collision,the wreckage was moving in a direction making an angle of 40° with the original direction of car A.What was the speed of car B before the collision,assuming that any other unbalanced forces are negligible?

• A) 16 m/s
• B) 18 m/s
• C) 11 m/s
• D) 21 m/s
• E) 14 m/s

Recognize the application of the principles of evolution in explaining psychological phenomena.

Appreciate the value of scientific skepticism and open-mindedness in psychological research.

Comprehend the role of the scientific method in psychology and contrast it with common sense and subjective experiences.

Understand the role of health psychologists in studying factors influencing health and illness.

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Definitions:

Compression

The application of pressure to a part of the body to reduce swelling or to halt bleeding.

Exert Force

To apply physical power or effort towards moving or affecting something.

Abdominal Ultrasound

A diagnostic imaging technique that uses sound waves to produce images of organs and structures within the abdomen.

Pelvic or Fetal Ultrasound

A diagnostic imaging technique used to visualize and assess the organs in the pelvic region and to monitor the development of a fetus during pregnancy.