8e.2.2

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

Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

• 400 minutes
• 100 minutes
• 100 seconds 
• .25 seconds 

Which of the following is a unit of time?

• sec
• mi
• m/s
• km

Which of the following is a unit of speed ?

• sec
• mi
• m/s
• min

Tags

NGSS.MS-PS3-1

Which of the following is a unit of distance ?

• miles/hr
• mi
• s
• min

Which of the following is a unit of distance ?

• miles/hr
• hr
• km
• min

Which of the following is a unit of time?

• km/hr
• hr
• km
• mi

Which of the following is a unit of speed?

• km/hr
• hr
• km
• s

Tags

NGSS.MS-PS3-1

A train travels 25 km in .5 hrs. How fast is the train going?

• 25 miles/hr
• 5 miles/hr
• 125 km/hr
• 50 km/hr

How long would it take a bus traveling at 50 km/h to travel 125 km?

• 6,250 hours
• 2.5 km
• 2.5 hours
• 6,250 km