Question
Which answer below is closest to the magnitude of the acceleration of Stapp and his sled as their speed decreased from 67 m>s to zero?(a) 12 g (b) 19 g (c) 26 g(d) 38 g (e) 48 g
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Which answer below is closest to the magnitude of the acceleration of Stapp and his sled as their speed increased from zero to 67 $\mathrm{m} / \mathrm{s}$ ? \begin{equation}\begin{array}{ll}{\text { (a) } 5 \mathrm{m} / \mathrm{s}^{2}} & {\text { (b) } 6 \mathrm{m} / \mathrm{s}^{2}} & {\text { (c) } 10 \mathrm{m} / \mathrm{s}^{2}} \\ {\text { (d) } 12 \mathrm{m} / \mathrm{s}^{2}} & {\text { (e) } 14 \mathrm{m} / \mathrm{s}^{2}}\end{array}\end{equation}
Which answer below is closest to the time interval for Stapp and his sled to stop as their speed decreased from 67 m/s to zero? (a) 0.09 s (b) 0.18 s (c) 0.34 s (d) 5.4 s (e) 10.8 s
Which answers below are closest to the magnitude of the ski- er's acceleration while moving down the idealized in-run and to the skier's speed when leaving its end? $$ \begin{array}{l}{\text { (a) } 9.8 \mathrm{m} / \mathrm{s}^{2}, 48 \mathrm{m} / \mathrm{s} \text { (b) } 4.3 \mathrm{m} / \mathrm{s}^{2}, 32 \mathrm{m} / \mathrm{s}} \\ {\text { (c) } 4.3 \mathrm{m} / \mathrm{s}^{2}, 28 \mathrm{m} / \mathrm{s}} \\ {\text { (e) } 3.4 \mathrm{m} / \mathrm{s}^{2}, 28 \mathrm{m} / \mathrm{s}}\end{array} $$
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