Speed & Acceleration

The total distance traveled divided by the total time it took.

• Speed

• Average Speed

• instantaneous Speed

• Velocity

Tags

NGSS.MS-PS3-1

. An airplane moving North at 500 mph

• Speed

• Velocity

• Distance

• Displacement

Tags

NGSS.MS-PS3-1

. What does the slope of a distance vs. time graph show you about the motion of an object?

• Speed

• Velocity

• Distance

• Acceleration

Which of the following shows acceleration?

• Increase in speed

• Decrease in speed

• change in direction

• all of these

A skydiver accelerates from 20 m/s to 40 m/s in 2 seconds. What is the skydiver’s average acceleration?

• 20 m/s

• 40 m/s

• 10 m/s2

• 20 m/s2

Tags

NGSS.HS-PS2-1

Which of the following is not a speed measurement?

• cars (mi/hr)

• snails (cm/s)

• running (m)

• jets (km/hr)

A roller coaster's velocity at the top of a hill is 20 m/s. Two seconds later it reaches the bottom of the hill with a velocity of 40 m/s. What was the acceleration of the coaster?

• 10 m/s2

• 5 m/s2

• -10 m/s2

• -5 m/s2

Tags

NGSS.HS-PS2-1

A roller coaster is moving at 50 m/s at the bottom of a hill. 5 seconds later it reaches the top of the hill moving at 10 m/s. What was the acceleration of the coaster?

• 8 m/s2

• -8 m/s2

• 12 m/s2

• -12 m/s2

Tags

NGSS.HS-PS2-1

A train moves from rest to a speed of 30 m/s in 15 seconds. What is its acceleration?

• 15 m/s2

• 10 m/s2

• 5 m/s2

• 2 m/s2

Tags

NGSS.HS-PS2-1

Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800m

• 400m

• 0m

• 200m SW