Kids Love to Crash Their Toy Cars Together

question 11

Multiple Choice

Kids love to crash their toy cars together.One such collision involves a 0.5 kg car moving at 0.3 m/s colliding with a stationary toy car of mass 0.3 kg.The two toys stick together and move away from the collision point at 0.188 m/s.By what factor is the initial kinetic energy greater than the final kinetic energy?

• A)0.63
• B)1.6
• C)2.5
• D)4.2
• E)1.0 The kinetic energy stays the same.

Recognize the risks and consequences of substance abuse among adolescents.

Understand the impact of societal and peer influences on adolescent behavior and development.

Explain the physiological processes involved in puberty and their effects on development.

Analyze the factors influencing academic performance and decisions to drop out of school.

---

Definitions:

Cranial Cavity

The space within the skull that houses and protects the brain.

Dorsal Cavity

A hollow space within the body that includes the cranial and vertebral cavities, housing the brain and spinal cord.

Feedback Mechanism

A regulatory process in biological systems where the output or result influences the activity of the process itself, often maintaining homeostasis.

Negative

Often referring to a lack or absence of a specified substance, condition, or entity in various contexts, such as test results.