What is the basic formula for calculating speed?

• Time divided by distance

• Final distance minus initial distance

• Initial time minus final time

• Distance divided by time

Tags

NGSS.MS-PS3-1

What does a greater slope on a speed graph indicate?

• Zero speed

• Constant speed

• Lower speed

• Higher speed

Tags

NGSS.MS-PS3-1

In the blue line example, what is the speed if the final distance is 55 kilometers and the time is 1 hour?

• 45 kilometers per hour

• 50 kilometers per hour

• 60 kilometers per hour

• 55 kilometers per hour

Tags

NGSS.MS-PS3-1

What are the units used in the blue line example to measure speed?

• Centimeters per second

• Kilometers per hour

• Meters per second

• Miles per hour

How is speed calculated in the blue line example?

• Initial distance minus final distance divided by initial time minus final time

• Initial distance divided by initial time

• Final distance divided by final time

• Final distance minus initial distance divided by final time minus initial time

Tags

NGSS.MS-PS3-1

In the green line example, what is the speed if the final distance is 5 kilometers and the time is 1 hour?

• 10 kilometers per hour

• 5 kilometers per hour

• 15 kilometers per hour

• 20 kilometers per hour

In the green line example, what does the initial distance represent?

• 15 kilometers

• 0 kilometers

• 10 kilometers

• 5 kilometers

What does a flat line on a speed graph indicate?

• Increasing speed

• Decreasing speed

• Zero speed

• Constant speed

Tags

NGSS.MS-PS3-1

In the flat line example, what is the speed if the final distance is 30 centimeters and the time is 1.25 hours?

• 50 centimeters per hour

• 40 centimeters per hour

• 0 centimeters per hour

• 30 centimeters per hour

What does the flat line example demonstrate about movement?

• The person is decelerating

• The person is moving at a constant speed

• The person is accelerating

• The person is stationary

Tags

NGSS.MS-PS3-1