Motion review

which is not a possible unit for distance?

• meters
• feet
• miles
• min

"g" is defined as

• acceleration of all objects in motion

• acceleration of objects moving vertically

• acceleration of gravity

• none of the above

Tags

NGSS.HS-PS2-4

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

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

free fall is?

• falling and the only thing acting on you is air resistance
• falling and the only force acting on you is gravity

Tags

NGSS.MS-PS2-2

How much time would it take for an object to fall 4.7 meters? (free fall)

• 0.959 s
• 4.79 s
• 0.979 s

Acceleration of an object happens when things ________

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

Tags

NGSS.HS-PS2-1

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

• 750 seconds
• 35 seconds
• 0.3 seconds
• 3.3 seconds

Tags

NGSS.HS-PS2-1

A ball of clay is thrown at a wall at a velocity of 28.0 m/s. After it hits the wall, it takes 0.020 s to stop. What is the acceleration of the clay when it hits the wall?

• 1400 m/s²

• -1400 m/s²

• 0.56 m/s²

• -0.56 m/s²

Which section of the graph shows acceleration?

• AB
• BC
• EF
• FG

Tags

NGSS.HS-PS2-1