SELECTED CHAPTER 3 HOMEWORK

# SELECTED CHAPTER 3 HOMEWORK - ∆ x meters in the x...

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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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## This note was uploaded on 01/05/2012 for the course PHYS 1401 taught by Professor Jamesr.boyd during the Spring '09 term at Collins.

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

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