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PHYS_2014_Homework_2

# PHYS_2014_Homework_2 - PHYS2014 Benton Fall 2010 OSU...

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PHYS2014 Fall 2010 Benton OSU Physics Dept. 1 Physics 2014: General Physics I Homework Assignment 2 Due: Friday, 10 September 2010 at the beginning of your Recitation session. Problems: 1. A pair of ice skaters are practicing a figure skating move on the ice. The two skaters are separated by a distance of 15 m. If the first skater skates at a constant velocity of 5.0 m/s along a line initially making a 40 ° angle with respect to the line connecting the two skaters, with what velocity will the second skater need to skate at so that she meets the first skater at a right angle? 2. I set up my inclined plane apparatus at an angle θ . Then I roll my billiard ball up the track with an initial velocity of 3 m/s as shown in the diagram above. It takes the ball a total of 1.2 s to roll up the track, come to a stop, and then roll back down into my hand. Neglecting frictional effects, find the angle θ of the track? 3. You are on the target range preparing to shoot a new rifle when the range safety officer comes up to you and asks you what the muzzle velocity is of your rifle. (Muzzle velocity is the velocity

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