How do you calculate speed?

• Speed equals distance minus time.

• Speed equals time divided by distance.

• Speed equals distance divided by time.

• Speed equals distance multiplied by time.

Tags

NGSS.MS-PS3-1

What is the velocity of a motorcyclist who travels 50 miles east in 40 minutes?

• 1.25 miles per minute east

• 1.25 miles per minute

• 50 miles per hour east

• 50 miles per hour

Tags

NGSS.MS-PS3-1

What is the main difference between speed and velocity?

• Speed is always greater than velocity.

• Velocity includes direction, speed does not.

• Velocity is always greater than speed.

• Speed includes direction, velocity does not.

If a car is traveling at 60 miles per hour north, what is this an example of?

• Acceleration

• Velocity

• Speed

• Distance

What is the definition of acceleration?

• The rate of change in distance.

• The rate of change in direction.

• The rate of change in velocity.

• The rate of change in speed.

Which of the following is NOT an example of acceleration?

• A car turning a corner.

• A car moving at a constant speed in a straight line.

• A car slowing down.

• A car speeding up.

Why is the moon considered to be accelerating?

• Because it is constantly changing its direction.

• Because it is moving in a straight line.

• Because it is decreasing its speed.

• Because it is increasing its speed.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

If a bicyclist changes speed from 20 meters per second to 40 meters per second in 5 seconds, what is the acceleration?

• 4 meters per second squared

• 6 meters per second squared

• 8 meters per second squared

• 2 meters per second squared

What is the formula for calculating acceleration?

• Acceleration equals initial velocity minus final velocity divided by time.

• Acceleration equals final velocity minus initial velocity divided by time.

• Acceleration equals initial velocity plus final velocity divided by time.

• Acceleration equals final velocity plus initial velocity divided by time.

Tags

NGSS.HS-PS2-1

A skier goes from 15 meters per second to 30 meters per second in 3 seconds. What is the acceleration?

• 3 meters per second squared

• 6 meters per second squared

• 4 meters per second squared

• 5 meters per second squared