Sheltered P. Sci Motion

What is the difference between distance and displacement

• Distance is the length of an entire path, displacement is only from starting point to end point

• Displacement is the length of an entire path, distance is only from starting point to end point

• Distance his how fast something goes, displacement is how much time it takes

• distance is how much something weighs, displacement is how fast something goes

The man starts at the park then walks to his home. He then walks to his school. What is his distance walked? What is his displacement?

• Distance = 7km

  Displacement = 3 km

• Distance = 3 km

  Displacement = 7 km

• Distance = 5km

  Displacement = 7 km

• Distance = 8 km

  Displacement = 2 km

What is speed?

• How far something goes in an amount of time

• How far something is from the start

• How long something takes

• Where something is

Tags

NGSS.MS-PS3-1

A man runs 50 meters in 10 seconds. What is his speed?

• 0.2 m/s

• 500 m/s

• 5 m/s

• 50 m/s

Which of these are a unit of time?

• Meters

• Miles per hour

• Seconds

• meters / seconds^2

Which of these are a unit of distance?

• meters/second

• meter

• second

• hour

What 3 things do I need to know to calculate acceleration?

• initial speed, final speed, distance

• initial speed, final speed, time

• final speed, time, distance

• distance, time, final speed

A man starts at 0 meters per second and speeds up to 25 meters per second. It takes him 5 seconds. What is his acceleration? (a= (v2 - v1)/t)

• -5 m/s^2

• 5 m/s^2

• .2 m/s^2

• 20 m/s^2

Tags

NGSS.MS-PS2-2

What is acceleration?

• Change in distance over time

• Change in time over distance

• Change in speed over time

• Change in displacement over time

Tags

NGSS.MS-PS2-2

If my speed is constantly 8 m/s, am I accelerating?

• Yes

• No