1D Dynamics

What velocity is the object travelling at between 10 - 18 seconds?

• 0.375 km/s

• 0.36 m/s

• 3.75 m/s

• 6.25 m/s

Tags

NGSS.MS-PS3-1

A change in velocity over time is:

• Speed

• Motion

• Acceleration

• Normal

A go kart travels constantly at 2 m/s, which graph represents it's motion?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

Which is an example of zero acceleration?

• An object falling

• A merry-go round travelling at a constant speed

• Running on a treadmill at 5 m/s

• A car coming to a stop

Morgan walks 10 miles South. Trevor walks 10 miles North in the same amount of time. They have:

• Different average speeds

• Same velocity

• Different velocities

• Same motion

A car starts from a stoplight and is traveling with a velocity of 10 m/sec east in 20 seconds. What is the acceleration of the car?

• 0.5 m/s West

• 0.5 m/s/s West

• 5 m/s/s

• -.5m/s

Tags

NGSS.HS-PS2-1

How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km/hr?

• 4.38 hours

• 4.38 s

• 438 s

• 0.22 hours

An object is dropped from 45.0 m. How long will it take to hit the ground?

• 3.03 s

• 303 s

• 4.04 s

• 2.02 s

Tags

NGSS.HS-PS2-1

An object is dropped from 45.0 m. What will it's velocity be when it hits the ground?

• 30 m/s

• 29.7 m/s

• 29.7 km/h

• -29.7 m/s

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Pup walks 5.00 m North, then 10.00 m East. What is her displacement?

• 15 m

• 11.2 m

• 15 m N26.6E

• 11.2 m N63.4E