# Rev_test2 - Physics 1 East Los Angeles College Review Sheet TEST#2 Mr V Kiledjian 1 An object’s original position is 30 meters at an angle of 150

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Unformatted text preview: Physics 1, East Los Angeles College Review Sheet, TEST #2 Mr. V. Kiledjian 1) An object’s original position is 30 meters at an angle of 150 degrees and final position is 30 meters at 70 degrees. The object is traveling at constant speed in a circular arc clockwise and makes the journey in 12 seconds. a) Find the Displacement vector. b) Find the total Distance traveled. c) Find the avg Velocity vector, avg Speed, and instantaneous Speed. d) Find the avg Acceleration vector and instantaneous Acceleration vector. Show that the avg Acceleration vector points towards the center when placed at the midpoint of the arc!!! 2) A particle is traveling along the graph of the equation y = x 3 from (0,0) to (2,8) at a rate of dx/dt = 1 m/s. It makes this path in 2 seconds. Assume x and y are in meters. a) Find the total distance it travels and the magnitude and direction of its displacement. b) Find its average speed and the magnitude and direction of its average velocity. c) Find the instantaneous velocity vector and acceleration vector at t = 2 seconds and the instantaneous speed at t = 2 seconds. d) Find the magnitude and direction of its average acceleration 3) A fish in a river is originally at a location of 5i + 7j. Its original velocity is 2i + 3j and in 2 seconds, its velocity is –1i + 5j. velocity is –1i + 5j....
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## This note was uploaded on 06/27/2008 for the course PHYSICS 001 taught by Professor Kiledjian during the Spring '08 term at East Los Angeles College.

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Rev_test2 - Physics 1 East Los Angeles College Review Sheet TEST#2 Mr V Kiledjian 1 An object’s original position is 30 meters at an angle of 150

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