23 Review for Projectiles Test

What is the path of a projectile?

• linear
• parabolic
• no path

Describe the horizontal components of a horizontally launched projectile:

• horizontal acceleration is -10m/s/s, horizontal velocity is increasing
• horizontal acceleration is -10m/s/s, and horizontal velocity is constant
• horizontal acceleration is 0, and horizontal velocity is constant
• horizontal acceleration is 0, and horizontal velocity is increasing

Tags

NGSS.HS-PS2-2

Describe the vertical components of a horizontally launched projectile

• vertical acceleration is -10m/s/s and vertical velocity is increasing
• vertical acceleration is -10m/s/s and vertical velocity is constant
• vertical acceleration is 0 and vertical velocity is increasing
• vertical acceleration is 0 and vertical velocity is constant

Tags

NGSS.HS-PS2-1

If you drop a penny and flick another penny horizontally from the same height, which will hit the ground first?

• penny dropped
• penny flicked
• both at the same time

Tags

NGSS.HS-PS2-1

An airplane is flying horizontally, it drops a package while it is in motion Where does the package land?

• behind the airplane
• in front of the airplane
• right underneath the airplane

Tags

NGSS.HS-PS2-2

A ball is launched at a horizontal velocity of 4 m/s. Diagram and label the vertical and horizontal velocity vectors in the diagram below. (Remember to keep the size of the arrows in mind) What is the initial vertical velocity?

• it is -10 m/s
• 0 m/s
• 10 m/s

Explain the horizontal velocity of this projectile.

• horizontal velocity increases
• horizontal velocity decreases
• horizontal velocity remains constant

Explain the vertical velocity of this projectile

• vertical velocity increases
• vertical velocity decreases
• vertical velocity remains constant

What is the vertical velocity of the ball at its highest point?

• it is -10 m/s
• 0 m/s
• 10 m/s
• 12 m/s

What is the acceleration of the ball at its highest point?

• it is -10 m/s/s
• 0 m/s/s

Tags

NGSS.HS-PS2-1