Introduction to Physics

The base SI unit of time is

• hour

• minute

• second

• millisecond

Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west

• Scalar

• Vector

If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?

• 20m

• 40m

• 0m

• -20m

VELOCITY

• Scalar

• Vector

Tags

NGSS.HS-PS2-2

30 m/sec, East. Scalar or Vector

• Scalar

• Vector

• Neither

MOMENTUM

• Scalar

• Vector

Tags

NGSS.HS-PS2-2

Which one of the following is the derived unit?

• speed

• length

• mass

• luminous intensity

Tags

NGSS.MS-PS3-1

TEMPERATURE

• Scalar

• Vector

It is the science that studies matter and its motion.

• Physics

• Chemistry

• Biology

• Psychology

Tags

NGSS.MS-PS1-4

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the base SI unit of mass?

• gram

• kilogram

• pound

• ounce