Lab 09 Quiz - Rocket Lab

The image shows the parabolic path of a projectile as it is launched at an angle and lands at the same height that it was launched. At what point is the vertical velocity v_y= 0 m/s?

• A

• B

• C

• D

• None of these points

The image shows the parabolic path of a projectile as it is launched at an angle and lands at the same height that it was launched. At what point is the horizontal velocity v_x= 0 m/s?

• A

• B

• C

• D

• None of these points

Which diagram correctly represents the acceleration vector AND the velocity vector at point P?

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Tags

NGSS.HS-PS2-1

In the absence of air resistance, which launch angle would result in the maximum horizontal displacement for a projectile?

• 90°

• 30°

• 60°

• 45°

A projectile is launched with an initial horizontal velocity of 20 m/s and an initial vertical velocity of 20 m/s. Which graph correctly shows the vertical velocity of the projectile over time?

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• 
• 
• 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Dana throws a baseball with an initial velocity of 20.2 meters per second at an angle of 69° with the horizontal. Find the initial vertical and horizontal velocity of the ball.

• Horizontal 18.9 m/s

  Vertical 7.2 m/s

• Horizontal 7.2 m/s

  Vertical 18.9 m/s

• Horizontal 15.2 m/s

  Vertical 9.6 m/s

• Horizontal 9.6 m/s

  Vertical 15.2 m/s