Projectiles

Describe the velocity of a half projectile in the horizontal direction

• It is increasing as the projectile falls

• It is decreasing as the projectile falls

• It is a constant value as the projectile falls

• It is zero as the projectile falls

Describe the velocity of a half projectile in the vertical direction

• It is increasing as the projectile falls

• It is decreasing as the projectile falls

• It is a constant value as the projectile falls

• It is zero as the projectile falls

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Which angle would offer the largest vertical component of initial velocity?

• 0^o

• 30^o

• 45^o

• 60^o

• 90^o

Which angle would offer the largest horizontal component of initial velocity?

• 0^o

• 30^o

• 45^o

• 60^o

• 90^o

Which angle causes a projectile to have the greatest range?

• 0^o

• 30^o

• 45^o

• 60^o

• 90^o

This equation, Vf = Vi + at can be used to solve for...

• Only vertical components of projectile motion

• Only horizontal components of projectile motion

• Both horizontal and vertical components of projectile motion

• Neither horizontal nor vertical components of projectile motion

Tags

NGSS.HS-PS2-1

 $\Delta x\ =vt$  can be used to solve for ____________ of projectile motion.

• Only vertical components

• Only horizontal components

• Both vertical and horizontal components

• Neither vertical nor horizontal components

If you use  $\Delta x\ =\ vt$  to solve for displacement, you should use ____. 

• Only half the time the projectile is in the air for

• The entire time the projectile is in the air for

Which of these is a unit for velocity?

• m

• m/s

• m/s²

• none of these

A projectile takes 2 seconds to reach its peak height. Assuming it lands at the same height of launch, this means its total air time is...

• 1 second

• 2 seconds

• 3 seconds

• 4 seconds

• None of these