rev_test2 - Physics 1 East Los Angeles College Review Sheet...

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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 the instantaneous velocity vector and acceleration vector at t = 0 & 2 seconds and the instantaneous speed at t = 0 & 2 seconds. c) Find its average speed and the magnitude and direction of its average velocity and average acceleration. (Show that the average speed and the magnitude and direction of the average velocity and acceleration vectors are between the initial and final instantaneous values!) 3) If a projectile is shot from the top of a building which is 156 meters high at a speed of 34 m/s and an angle
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This note was uploaded on 02/01/2010 for the course PHYSICS 001 taught by Professor Kiledjian during the Summer '08 term at East Los Angeles College.

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rev_test2 - Physics 1 East Los Angeles College Review Sheet...

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