Physics Reviewer

A girl run the 100-m dash in 10 seconds. What was her average speed?

• 5 m/s

• 10 m/s

• 15 m/s

• 20 m/s

A student asked her/his teacher to describe the speeds of objects. His teacher enumerated such quantities of 5m/s, 5 km/hr, and 10 mi/hr. Based from the answer of the teacher, what are the dimensions that are used in describing the speeds of objects?

• Force and time

• . Distance and time   

• Distance and force     

• Displacement and time

On my way from the school to the Ronald's class, I drive at 60 km within 10 minutes. What is my average speed of travel?

• 4 km/min

• 6 km/min

• 8 km/min

• 10 km/min

A truck travels 500 km within 2 hours. What is the speed of the truck?

• 150 km/h

• 200 km/h

• 250 km/h

• 300 km/h

A cat accelerates from 2 m/s to 10 m/s in 4 seconds. What is the cat's average acceleration?

• 2 m/s²

• 3 m/s²

• 4 m/s²

• 5 m/s²

Rarefaction is generated when particles move ____________.

• together

• B. closer

• C. under

• D. apart

What is the basic unit of matter and is composed of electrons, neutrons and protons?

• A. Atom

• B. electron

• C. Molecule

• D. Particle

A proton has a symbol of ________________.

• A. e −

• B. no

• C. p+

What is the term that describes the rate of change in speed or velocity of an object?

• A. acceleration

• B. displacement

• C. distance

• D. velocity

A electron has a symbol of ________________.

• A. e −

• B. no

• C. p+