Motion

What is the speed of a runner who runs 400 meters in 40 seconds?

• 10 meters/second

• 40 meters/second

• 100 meters/second

• 1,600 meters/second

During which interval is the object not moving?

• B to C
• C to D
• D to E
• only at point A

Tags

CCSS.HSF.IF.B.4

Acceleration occurs when an object changes its speed or ______.

• direction
• force
• inertia
• mass

Tags

NGSS.HS-PS2-1

A car driving at 50 miles per hour drives for 2 hours. What distance did it cover?

• 50 miles
• 25 miles
• 100 miles
• 75 miles

Tags

CCSS.6.RP.A.3B

A truck driving at 60 miles per hour travels 150 miles. How long is it driving for? (time = distance/speed)

• 9000 hours

• 0.4 hours

• 210 hours

• 2.5 hours

Acceleration of an object happens when things ________

• slow down
• go faster
• change direction (turn)
• All of the above

Tags

NGSS.HS-PS2-1

The SI unit for acceleration is

• mph
• m/s
• m/s²

Tags

NGSS.HS-PS2-1

A ball rolls down a steep hill. It travels 500 m in 1 minute. It then rolls on a flat surface for an additional 3 minutes and travels 300 m. What is the average speed of the ball?

• .5 m/min
• 100 m/min
• 200 m/sec
• 200 m/min

Which is an example of zero acceleration?

• A merri-go-round moving at a constant rate
• A car coming to a stop
• A boat speeding up
• A person running on a treadmill at a rate of 6 MPH

Tags

NGSS.HS-PS2-1

What two things do you need to find speed (select both)

• distance

• time

• velocity

• direction