Phys 221 exam 2 review. Reminders:. NO SI THURSDAY!!. Exam Overview. “Approximately 1/3 of the problems will stress understanding of the physics concepts, whereas the remainder will be numerical problems to test ability to apply these concepts .” -Syllabus 27 Questions.

ByNational Aeronautics and Space Administration. Protostellar Disks: Birth, Life and Death. Neal Turner Jet Propulsion Laboratory, California Institute of Technology. The Life of Protostellar Disks. Jets and Winds Basic disk properties

ByMomentum and impulse. Let’s start with everyday language. What do you say when a sports team is on a roll? They may not have the lead but they may have ___________ MOMENTUM A team that has momentum is hard to stop. What is momentum?. Momentum: p=mass x velocity

ByMomentum and Collisions Review. Chapter 6(all). Overview. Momentum (p=mv) Vector quantity of motion equal to an object’s mass times its velocity. Impulse ( D p=F D t)- is equal to the change in momentum

ByREADING QUIZ. When cue ball collides with another billiard ball initially at rest,. "the total momentum of the two balls is the same as it was before." "each ball has the same momentum after the collision as it did before."

ByConservation of Momentum. Why does my shoulder hurt after I shoot my hunting rifle?. Conservation of Momentum. p i = p f In the absence of net external forces acting on the objects, momentum is conserved Net force provides an impulse, which would result in momentum changing.

ByPhysics Momentum. John G. Cramer Professor of Physics B451 PAB cramer@phys.washington.edu. Momentum and the 2 nd Law. Momentum is a vector quantity. Force changes momentum. Momentum Units: kg m/s or N s. Solving Momentum Problems. Drawing a before-and-after pictorial representation

ByCompton Effect Heisenberg Uncertainty Principle. Is momentum Conserved?. Since a stationary electron can gain some velocity and thus momentum in the photoelectric effect something needs to lose momentum in order for momentum to be conserved. Momentum of Light p = hf/c = h/ λ.

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