SELECTED CHAPTER 3 HOMEWORK

SELECTED CHAPTER 3 HOMEWORK - x meters in the x direction....

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SELECTED CHAPTER 3 HOMEWORK Questions 006 and 007 014
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y y 0 v y0 t + 1 2 g t 2 - turns into y 1 2 - g t 2 because y 0 0 and v yo 0 The time it takes to fall -3 meters is given by 3 - 1 - 2 g t 2 or t 6 m g The ball must stay in the air long enough for it to travel a distance of 7 meters in the x direction. x v xo t v x0 x t 7 m 6 m 9.8 m s 2 8.946 m s 015 In this case, we need the time required to fall -10m 10 - m 1 2 g t 2 t 20 m g The ball must stay in the air long enough for it to travel a distance of 7 +
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Unformatted text preview: x meters in the x direction. 7 x + v xo t x v x0 t 7 m -8.946 m s 20 m g 7 m -5.78 m 016 017 Work this one the same way as 014 and 015 018 At this point, finding the magnitude and angle (below the horizontal) of the velocity at ground level should be easy for you....
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SELECTED CHAPTER 3 HOMEWORK - x meters in the x direction....

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