Motion

A change in velocity over time is

• Scalar
• Speed
• Acceleration
• Motion

A change in velocity over time is

• Scalar
• Speed
• Acceleration
• Motion

The pace an object travels in a certain amount of time

• speed

• acceleration

• Velocity

• motion

Tags

NGSS.MS-PS3-1

An object's change in position relative to a reference point.

• work

• force

• motion

• energy

Which term means speed with a direction?

• Speeding
• Acceleration
• Velocity
• Gravity

Speed is 

• distance x time
• distance / time
• time x distance
• time / distance

When calculating a speed, one must know the...

• direction traveled and the time.
• distance traveled and the direction
• time and distance traveled.
• distance traveled.

Bill jogs 400 meters to Andy's house, turns around, and runs 400 meters back home.  He does so in 267 seconds.  What is Bill's average speed?

• about 3 m/s
• about 1.5 m/s
• 0
• about 4 m/s

Which of the following is a unit of distance ?

• miles/hr
• mi
• s
• min

Which of the following is a unit of time?

• km/hr
• hr
• km
• mi