Bulk quiz

Describe the motion of the object.

• Moving slow

• Moving fast

• Moving in a positive direction

• Moving at a constant speed

Describe the motion.

• moving fast

• moving slow

• positive direction

• negative direction

Describe the motion.

• moving fast

• moving slow

• positive direction

• negative direction

A quantity that needs both magnitude and direction to be fully described.

• Vector

• Scalar

A quantity described by magnitude and does not need direction

• Vector

• Scalar

Mass is a

• Vector

• Scalar

Weight is a

• Vector

• Scalar

Speed is

• Vector

• Scalar

Displacement can best be described as

• The distance an object has traveled in a straight line

• Distance and direction between two points

• The velocity of an object

• The time an object is moving

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s