D = rt retake

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

What is the distance formula

• d = rt

• d = r/t

• 
• dr = t

Label the parts of the distance formula.

f

i

h

times

time

rotation

rate of speed

distance

travel

direction

divided

rate of decay

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

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

The baseball park is 4200 m from Camden's house.  I took him 30 minutes to get there.  What was Camden's speed?

• .007 m/min
• 12.60 m/min
• 140 m/min
• 126 m/min