PHYS171_f11_lecture_09

PHYS171_f11_lecture_09 - PHYS171 Principles of Physics I...

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Unformatted text preview: PHYS171 Principles of Physics I Prof. Arthur La Porta Assistant Professor, Department of Physics, Institute of Physical Science and Technology Maryland Biophysics Program alaporta@umd.edu Rm 1111, IPST building (building #085) ResponseWare Login ResponseCard Channels: NA ResponseWare Not Connected Chapter 4 Simple Example: Projectile Motion Particle launched with velocity v x =10m/s, v y =49m/s How long does the projectile remain in the air? How far does the projectile go? What is the projectile velocity when it hits the ground? What is the maximum height of the projectile? 20 40 60 80 100 120 20 40 60 80 100 120 y (m) x (m) velocity components in red acceleration components in green 20 40 60 80 100 120 20 40 60 80 100 120 y (m) x (m) velocity components in red acceleration components in green Chapter 4 Maximizing Distance of Projectile Motion A projectile is launched over flat ground with velocity whose magnitude v. What angle should the initial velocity make with the horizontal to attain maximum distance? Chapter 4 Maximizing Distance of Projectile Motion 50 100 150 200 250 300 50 100 150 y (m) x (m) 15 degrees 30 degrees 45 degrees 60 degrees 75 degrees Shallow angle: rapid...
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This note was uploaded on 12/29/2011 for the course PHYSICS 171 taught by Professor La porta during the Fall '11 term at Maryland.

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PHYS171_f11_lecture_09 - PHYS171 Principles of Physics I...

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