Physics quiz 7

Projectiles An object that is ____

Launched

Trajectory - the of the projectile is _

path; parabolic

The first step in solving a projectile launched at an angle is to set up____ to determine Vix, and Viy. 

Trigonometry

To find Vix, we will use ___

cosine. 

To find Viy, we will use _____

sine.

The vertical velocity changes due to _____

gravity. 

At the top of the trajectory, the peak, the vertical velocity goes to ___ 

zero.

The time it takes to get to the top of the trajectory is equal to ____ the time of the total trajectory. 

half 

Along the horizontal the object moves at a _______  horizontal velocity. 

constant

The object accelerates due to ____ along the vertical only. To evaluate the vertical direction we will set up kinematics. To use kinematics we will need to know ___motion parameters about the vertical motion. 

gravity ; three

The initial vertical velocity is _____  when the object is released horizontally.

zero

Along the horizontal the object moves at a _____  horizontal velocity. 

Constant

horizontal

___________________

Vertical

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