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Unformatted text preview: m a
r = 50 cos(2! ) I/13nd ! = 0.02t 2 radians. What is the velocity and acceleration of the car
when art I20°?
PART I A roller coaster car travelscoaster a short part of theshort part of the track given byrthe equation
A roller along car travels along a track given by the equation =
50cos (2θ), where r is in meters and θ is in radians. What 2 the velocity and acceleration of the
r = 50 cos(2! ) m and ! = 0.02t is radians. What is the velocity and acceleration of the
car when θ = 10◦ ?
when ! = 20°?
Chapter I: Particle Kinematics Homework ! r
! r Part II
Along a circular loop at the bottom of the track, the cars will move at a speed of vo with a
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- Spring '09