Speed and Velocity

Two horses are running in a field.  The gray horse runs 12 m/s north.  The black horse runs 12 m/s east.  
Which is true about their motions?

• Equal speeds.

• Equal velocities.

• Equal distances.

• Equal displacements.

How do you calculate velocity?

• Distance divided by time.

• Displacement divided by time.

• Speed multiplied by time.

• Displacement divided by velocity.

Tags

NGSS.MS-PS3-1

How do you calculate distance?

• Distance divided by time.

• Displacement divided by time.

• Speed multiplied by time.

• Displacement divided by velocity.

A cheetah runs with an average speed of 32 m/s for 30 seconds.  How far did the cheetah run?

• 960 m

• 1.07 m

• 0.94 m

• 62 m

In which of the following graphs (click the image) are both runners moving at the same speed (note that graph c is the bottom right graph, and graph d is the bottom left graph)? 

• Graph A

• Graph B

• Graph C

• Graph D

What is the speed of the red line?  

• 4 m/s 

• 16 m/s 

• 32 m/s 

• 2 m/s 

Tags

NGSS.MS-PS3-1

What does this graph represent?

• Constant speed

• Acceleration

• Not moving

____________ describes how fast something is going, whereas, ________ describes how fast something is going and in a certain direction.

• speed, velocity

• rate, speed

• rate, velocity

• speed, acceleration

Which of the following is a measure of velocity?

• 30 s

• 30 South

• 30 m/s

• 30 m/s, South

What is the equation to calculate speed?

• speed = distance/time

• speed = time/distance

• speed = time x distance 

• speed = speed/time 

Tags

NGSS.MS-PS3-1