Displacement and Speed and Velocity

What is speed?

• It is how far you go

• It is the distance traveled over a period of time

• It is how fast you accelerate

• It is the change in the postilion of a object

Which of the following is a unit of time?

• sec
• mi
• m/s
• km

Reese can run 10 meters in 5 seconds. What is her speed?

• 5 meters/sec
• 2 meters/sec
• 5 miles/hour
• 2 miles/hour

Tags

NGSS.MS-PS3-1

What is the formula to calculate speed?

• Speed = time/distance
• Speed = distance/time
• Speed = distance x time
• Speed = time x distance

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Tags

NGSS.MS-PS3-1

Which of the following is a unit of speed ?

• sec
• mi
• m/s
• min