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PHY 9B Lecture 2: Lecture 02

United States

Classical Physics

Physics

S. Savrasov

University of California - Davis

Vector Analysis

A laser pointer used in a lecture hall emits light at 650 nm. What is the frequency of this light?

I have an upcoming exam that will involve BallisticCollisionProblems and when I downloaded the lecture the ballisticcollisionequations were unreadable; I am just looking to get theequationsand continue working on practice problems

a) A .02 kg ball on a .75 m string is twirled in a horizontal circle, with a frequency of .65 hz. Find the velocity of the ball.
b) A .02 kg ball on a .75 m string is twirled in a horizontal circle, with a frequency of .65 hz. Find its centripetal acceleration.
c) A .02 kg ball on a .75 m string is twirled in a horizontal circle, with a frequency of .65 hz. Find the force the string exerts on it.

PHY 9B Lecture 2: Lecture 02

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