An 800-G Puck Moving at 1

question 73

Multiple Choice

An 80.0-g puck moving at 1.20 m/s on an air table collides with a stationary 100-g puck. After the collision, the 80.0-g puck moves in a direction that makes an angle of 45.0° with the original direction of motion and the 100-g puck moves at an angle of 12.0° in the opposite direction. What is the speed of the 80.0-g puck after the collision?

• A) 0.809 m/s
• B) 0.297 m/s
• C) 0.533 m/s
• D) 0.0953 m/s
• E) 1.23 m/s

---

Definitions:

Closed-head Injury

A type of traumatic brain injury where the skull remains intact but the brain is damaged, often as a result of rapid back and forth movement.

Significant

Indicates findings, results, or changes that are important, meaningful, or considerable in amount or effect.

Ischemic Stroke

A type of stroke caused by a blockage in the arteries leading to the brain, resulting in reduced blood flow and oxygen to brain tissue.

Glutamate

A major neurotransmitter in the brain involved in learning, memory, and the regulation of various brain functions.