Motion Calculation

which is not a possible unit for distance?

• meters
• feet
• miles
• min

A heavy object and a light object are dropped from the same height. Which will hit the ground first? (assume they're in a vacuum with no air)

• Heavier object

• Lighter object

• Both will hit at the same time

"g" is defined as

• acceleration of all objects in motion

• acceleration of objects moving vertically

• acceleration of gravity

• none of the above

Tags

NGSS.MS-PS2-4

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

How much time does it take for a car travelling at 65 km/hour to travel 300 km?

• 4.6 hours
• 0.22 hours
• 19,500 hours
• none of the above

If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the acceleration is -10 m/s/s?

• 27 m/s
• 3 m/s
• -27 m/s
• -3 m/s

Tags

NGSS.HS-PS2-1

1.  How far will a train moving at 5.7 km/min go in 45 minutes?

• 256.5 km
• 0.12 km
• 7.89 km

which is not a possible unit for time?

• min
• km
• sec
• hr

1.  An object free falls for 3 seconds. How far does it fall? HINT: g=9.8m/s/s

• 120.05 m
• 17.15 m
• 58.8 m

• 34.3 m

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A truck driving at 60 km per hour travels 150 km. How long is it driving for?

• 9000 hours
• 0.4 hours
• 210 hours
• 2.5 hours