4. 2D Kinematics
Intro to Motion in 2D: Position & Displacement
4:36 minutes
Problem 8a
Textbook Question
Textbook QuestionScientists design a new particle accelerator in which protons (mass 1.7 X 10^-27 kg) follow a circular trajectory given by r = c cos (kt^2) î + c sin (kt^2) ĵ, where c = 5.0 m and k = 8.0 x 10^4 rad/s^2 are constants and t is the elapsed time. a. What is the radius of the circle?
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