Physics 141 1 PHYSICS 141 CHAPTER 4 LECTURE #2 PROJECTILE MOTION.

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Presentation transcript:

Physics PHYSICS 141 CHAPTER 4 LECTURE #2 PROJECTILE MOTION

Physics X Y V0V0 0

3 Two dimensional motion: y-direction: x-direction:

Physics VxVx VyVy PROJECTILE MOTION Y X

Physics Equations of Motion Horizontal Motion:

Physics Vertical Motion

Physics Vertical Motion

Physics Firing rockets from a fighting jet h = 2 km v= 600 km/h x = ?

Physics Solution:

Physics THE STUPID MONKEY x vovo 0 h

Physics EQUATION OF MOTION FOR THE BULLET

Physics FOR THE MONKY

Physics When they meet,

Physics EQUATION OF THE PROJECTILE PATH

Physics X 0 = 0 AND Y 0 = 0 AT T = 0, THEN X Y

Physics THE HORIZONTAL RANGE X Y R

Physics MAXIMUM HEIGHT: X Y H

Physics Example: Which reaches the ground first? h

Physics h For the bullet:

Physics For the stone: h

Physics BOTH REACH GROUND AT THE SAME TIME At any time t, both will be at the same height

Physics throwing a bottle upward while driving a car at constant velocity, will the bottle smash your head!! Example:

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