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Sect 4-1.1

# Sect 4-1.1 - Assignment Previewer 1:33 PM Section...

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10/21/09 1:33 PM Assignment Previewer Page 1 of 2 http://www.webassign.net/v4cgi/assignments/preview.tpl?aid=933682&deployment=1643220&UserPass=ce177a52105d9d1bd63350e4223b4077 1. Question Details 2. Question Details 3. Question Details 4. Question Details 5. Question Details Section 4.1 (933682) Fri Oct 23 2009 10:00 AM EDT Question 1 2 3 4 5 Description Related Rates SCalcCC2 4.1.06. [293444] At 3 P.M , ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 25 km/h. How fast is the distance between the ships changing at 7 P.M. ? 21.4 km/h SCalcCC2 4.1.08. [293408] A street light is mounted at the top of a 15 foot tall pole. A man 6 ft tall walks away from the pole with a speed of 5 ft/s along a straight path. How fast is the tip of his shadow moving when he is 40 ft from the pole? 8.33 ft/s SCalcCC2 4.1.10. [293450] A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed of 1.3 m/s, how fast is the length of his shadow on the building decreasing when he is 4 m from the building?

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