Speed Velocity & Acceleration

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

What is the equation to calculate time?

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

What is the equation to calculate distance?

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

Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

• 400 minutes

• 100 minutes

• 100 seconds

• .25 seconds

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Acceleration occurs when there is a change in speed.

• True

• False

Tags

NGSS.MS-PS2-2

What is change in velocity during a period of time?

• acceleration

• vertical

• acceleration formula

• speed

Tags

NGSS.HS-PS2-1

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.

• 2.2m/s²
• 7.0m/s²
• 5.7m/s²
• 70m/s²

Tags

NGSS.MS-PS2-2