Velocity, Acceleration, and Free Fall

What is the change in velocity in a period of time?

• acceleration

• distance

• initial velocity

• final velocity

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NGSS.HS-PS2-1

What is a calculation of distance divided by time?

• acceleration

• velocity

• displacement

• motion

acceleration due to gravity on Earth is equal to about

• 20 m/s/s

• 10 m/s/s

• 21 m/s/s

• 11 m/s/s

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

what is the acceleration due to the force of gravity?

• velocity

• free fall

• acceleration

• delta

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NGSS.HS-PS2-4

A freely falling object starts from rest. After falling for 6 seconds what will be its speed?

• 6 m/s

• 36 m/s

• 60 m/s

• 12 m/s

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

What are the units for velocity or speed?

• m

• s

• m/s/s

• m/s

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NGSS.MS-PS3-1

What are the units for acceleration

• m

• s

• m/s/s

• m/s

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NGSS.HS-PS2-1

What are the units for distance?

• m

• s

• m/s/s

• m/s

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NGSS.HS-PS4-1

What is the unit for time?

• m

• s

• m/s/s

• m/s

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

Tags

NGSS.HS-PS2-1