A cross country skier 7.40 km in the direction 30 degrees west of south, then 2.80 km in the direction 45 degrees north of west, and finally 6 km in the direction 22 degrees east of north. To then return to his starting point, how far and in what direction must he travel?
A cross country skier 7.40 km in the direction 30 degrees west of south, then 2.80 km in the direction 45 degrees north of west, and finally 6 km in the direction 22 degrees east of north. To then return to his starting point, how far and in what direction must he travel?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
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Problem 31P: In an attempt to escape a desert island, a castaway builds a raft and sets out to sea. The wind...
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-A cross country skier 7.40 km in the direction 30 degrees west of south, then 2.80 km in the direction 45 degrees north of west, and finally 6 km in the direction 22 degrees east of north. To then return to his starting point, how far and in what direction must he travel?
-A person who is 35 ft east of you runs north at 16 ft/s. At what angle north of east would you throw a ball at 60 ft/s groundspeed in order to hit him?
-What is the kinetic energy of a 3000 lb automobile which is moving at 30 mi/h?
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A person who is 35 ft east of you runs north at 16 ft/s. At what angle north of east would you throw a ball at 60 ft/s groundspeed in order to hit him?
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