Speed

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

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Tags

NGSS.MS-PS3-1

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

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

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

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

Tags

NGSS.MS-PS3-1