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Joshua2 · 2008-11-18, 18:31

20 - 2*9.8*1*mu - 9.8*3*mu = 3*a is how I thought of it, giving 0.62 for the 2nd and 1.77 for the first. So I think the 2nd answer is wrong, right?

2008-11-18, 18:31	#5
Joshua2 Sep 2004 1025₈ Posts	20 - 29.81mu - 9.83mu = 3a is how I thought of it, giving 0.62 for the 2nd and 1.77 for the first. So I think the 2nd answer is wrong, right?