Speed and Velocity

What is the equation to calculate speed?

• speed = distance/time
• speed = time/distance
• speed = time x distance 
• speed = speed/time 

________________ is a unit of speed.

• m/s

• s

• kg

• hr

Tags

NGSS.MS-PS3-1

The speed at any instant of time is known as ________________.

• average speed

• velocity

• given speed

• instantaneous speed

____________ 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

Velocity is both ____ and _____. 

• speed , direction 
• direction, mass
• volume, density 
• direction, magnitude 

If a total distance of 750 m is covered in a time interval of 25 s, the average speed is ______________?

• 3,974 mph

• 3 mph

• 30 mph

• 30 m/s

Which of the following is a measure of velocity?

• 30 s

• 30 South

• 30 m/s

• 30 m/s, South

Tags

NGSS.MS-PS3-1

If a person walked at 2 m/s for 12 s he/she would travel a distance of _______.

• 24 m

• 6 m

• 4 m

• none of the answers

How long would it take to travel 50 km traveling at a speed of 10 km/hr?

• 3 hours

• 1 hour

• 5 hours

• 50 hours

An object is _____ if its position changes relative to another object.

• in motion
• at reset
• a frame of refence
• magical

Tags

NGSS.MS-PS2-2