7. A skier whose mass is 70 kg, takes off from ski jump with a velocity of 50 m/s at an unknown angle to the horizontal and lands at a point whose vertical distance below the point of take off is 100 m. What is his speed just before landing, if friction of air can be ignored? a. 66.8 m/s2 b. 94.3 m/s2 c. 44.3 m/s2 d. 38.6 m/s2

7. A skier whose mass is 70 kg, takes off from ski jump with a velocity of 50 m/s at an unknown angle to the horizontal and lands at a point whose vertical distance below the point of take off is 100 m. What is his speed just before landing, if friction of air can be ignored? a. 66.8 m/s2 b. 94.3 m/s2 c. 44.3 m/s2 d. 38.6 m/s2

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum And Collisions

Section: Chapter Questions

Problem 31P: Gayle runs at a speed of 4.00 m/s and dives on a sled, initially at rest on the top of a...

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