Calculating Speed

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

How long will it take to go 35 km if you average 70 km/hr?

• 2 hr

• 105 hr

• 240 hr

• 0.5 hr

What is your average speed if you walk 100 km in 5 hours?

• 5 km

• 500 km/hr

• 20 km/hr

• 20 km

How long will it take Jesse to run 100 meters if he averages 10 m/s?

• 10 s

• 90 s

• 100 s

• 1000 s

___ refers to how fast an object is moving.

• Speed

• Velocity

• Acceleration

• Motion

Tags

NGSS.MS-PS3-1

Which two factors does speed depend on?

• distance and direction

• direction and time

• distance and time

• distance, time and direction

Velocity is both ____ and _____. 

• speed , direction 
• direction, mass
• volume, density 
• direction, magnitude 

What is the formula to calculate distance?

• d = t/s

• d = s/t

• d = s x t

• d = s x d

What is the formula to calculate time?

• t = s/d

• t = d/s

• t = d x s

• t = s x d