PAX Physics Fundamentals Flashcards

6 cards from real PAX practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 PAX Physics Fundamentals flashcards as text

A ball is dropped from rest. Which best describes its motion as it falls (ignoring air resistance)?
Answer: Constant acceleration downward
Gravity causes constant acceleration of approximately 9.8 m/s² downward.
What type of wave is sound?
Answer: Longitudinal wave
Sound is a longitudinal wave where particle displacement is parallel to wave propagation.
Which of the following is an example of a conductor?
Answer: Copper
Copper is a metal that allows electrons to flow freely, making it a good electrical conductor.
If a car travels 150 miles in 3 hours, what is its average speed?
Answer: 50 mph
Speed = distance ÷ time = 150 ÷ 3 = 50 mph.
What is the principle that states energy cannot be created or destroyed, only converted?
Answer: Law of Conservation of Energy
The Law of Conservation of Energy states that the total energy in a closed system remains constant.
When two objects collide and bounce off each other, this is called a:
Answer: Elastic collision
An elastic collision is one in which both momentum and kinetic energy are conserved.

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