Calculating Speed

Front

What is speed?

Back

Speed is the distance traveled per unit of time.

Front

What is the formula for calculating speed?

Back

S = d/t, where S is speed, d is distance, and t is time.

Front

If Kermit rides his bike at a constant speed of 12 miles per hour, how far can he travel in 3 hours?

Back

36 miles (12 miles/hour * 3 hours = 36 miles).

Front

What are the two measurements necessary for calculating speed?

Back

Distance and time.

Front

Which of the following is a unit of speed: km/hr, seconds, or meters?

Back

km/hr is a unit of speed.

Front

If a car travels 150 miles in 3 hours, what is its speed?

Back

50 miles per hour (150 miles / 3 hours = 50 miles/hour).

Front

What is the unit of speed in the metric system?

Back

Meters per second (m/s).

Front

What is the relationship between distance, speed, and time?

Back

Distance is equal to speed multiplied by time (d = S * t).

Front

If a runner completes a 5 km race in 25 minutes, what is their speed in km/hr?

Back

12 km/hr (5 km / (25/60) hours = 12 km/hr).

Front

What is the speed of light in vacuum?

Back

Approximately 299,792 kilometers per second (km/s).