Free Fall Acceleration

A ball is dropped from a helicopter. How fast is it moving after 3 seconds?

• 0 m/s

• 10 m/s

• 20 m/s

• 30 m/s

• 40 m/s

Tags

NGSS.HS-PS2-1

A ball is dropped from a helicopter. How far does it fall after 3 seconds?

• 0 m

• 10 m

• 45 m

• 90 m/s

• 180 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A cannonball launched upward with an initial speed of 40m/s. What is the speed of the cannonball when it reaches its maximum height?

• 0 m/s

• 4.5 m/s

• 10 m/s

• 9.8 m/s

Tags

NGSS.HS-PS3-1

A cannonball launched upward with an initial speed of 40m/s. How long does it take to reach maximum height?

• 1 second

• 2 seconds

• 4 seconds

• 8 seconds

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A student drops a ball off the top of building and records that the ball takes 2.33s to reach the ground. What is the ball's speed just before striking the ground?

• 0 m/s

• 10 m/s

• 23.3 m/s

• 12.33 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A student drops a ball off the top of building and records that the ball takes 2 s to reach the ground. What height was the ball dropped from?

• 10 m

• 20 m

• 30 m

• 40 m

Tags

NGSS.HS-PS2-4