Speed and Measurement Quiz

This situation, where a runner has the same lap times due to a consistent pace, suggests which type of speed?

(a)  

Which early scientist is credited with establishing a foundational understanding of speed as distance traveled over time?

(a)  

Speed is defined as the ratio of what two quantities?

• Distance

• Time

What mathematical tool, developed by Newton and Leibniz, allowed for the description of instantaneous speed?

(a)  

True or False. Speed is a scalar quantity as it has only magnitude and no direction.

• True

• False

What is the definition of speed?

• The force applied to an object

• The rate of change of velocity

• The rate of change of position over time

• The total distance covered regardless of time

Which of the following is the SI unit of speed?

• Kilometer per hour (km/h)

• Miles per hour (mph)

• Meters per second (m/s)

• Feet per second (ft/s)

What type of speed is shown on a speedometer at any given moment?

• Average speed

• Constant speed

• Instantaneous speed

• Uniform speed

Which device is commonly used to measure the speed of a moving vehicle?

• Thermometer

• Speedometer

• Barometer

• Altimeter

A car travels 180 km in 3 hours. What is its average speed?

• 60 km/h

• 90 km/h

• 45 km/h

• 30 km/h