Express your answer numerically in meters per second. = document.getElementById(

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Express your answer numerically in meters per second. = document.getElementById('wrapper_1011192_problemView1').innerHTML = MyCT_FL_RunContent('codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,34,0','id','problemView1','name','problemView1','tabindex','0','width','375','height','60','src','/assets/flash/eq_entry.build1010011005','movie','/assets/flash/eq_entry.build1010011005','quality','high','align','middle','base','/problemAsset/1011192/19/','FlashVars','lcId=LC_problemView1&objectID=problemView1&helpURL=http://www.masteringsupport.com/product_help/help_students/Content/TopicsStudent/enteringmath.htm&shortcutsURL=http://www.masteringsupport.com/palette_shortcuts/math_shortcuts.htm&maxWidth=375&maxHeight=480&bordercolor=ffffff&toolbarloc=/assets/flash/eq_entry/science/&xl=1&engineering=0&setResponseValue=','seamlessTabbing','true','allowFullScreen','false', 'allowScriptAccess', 'sameDomain', 'pluginspage','http://www.macromedia.com/go/getflashplayer', 'wmode', 'window');

Explanation / Answer

from the diagram     sin? = r/L     r = sin? L        = sin20 * 0.20m = 0.068 tangentil speed = v = r?                              = rvg/Lcos?                               = 0.068 * v9.8/0.20 cos20                                = 0.49m/s

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