Projectiles

What variable letter is range?

• X
• Y
• V_x
• V_y

What variable letter is altitude?

• X
• V_x
• Y
• V_y

What variable letter is horizontal velocity?

• X
• Y
• V_x
• V_y

What variable letter is vertical velocity?

• X
• Y
• V_x
• V_y

What is the initial vertical velocity of a projectile at the apex of the trajectory?

• 0 m/s
• 9.8 m/s
• 9.8 m/s²
• -9.8 m/s²

Does horizontal velocity change if you ignore air resistance?

• yes
• no

Does vertical velocity change as a projectile rises and falls?

• yes 
• no

What do the x & the y projectile formulas have in common, and can be used interchangeably?

• V_x
• V_y
• y
• t

If you throw a baseball straight up, what is its velocity at the highest point?

• 9.8 m/s²
• 9.8 m/s
• 0 m/s²
• 0 m/s

Tags

NGSS.HS-PS2-1

If you throw a baseball straight up, what is its acceleration at the highest point?

• 9.8 m/s²
• 9.8 m/s
• 0 m/s²
• 0 m/s

Tags

NGSS.HS-PS2-1