College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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- US Airways flight leaves Philadelphia in the early evening and arrives in Frankfurt 8.05 hours later. The airline distance from Philadelphia to Frankfurt is about 6.6 x 103 km, depending to some extent on the flight path followed. What is the average speed of the plane, in kilometers per hour? Average speed = total distance coveredarrow_forwardA certain freely falling object, released from rest, requires 1.40 s to travel the last 24.5 m before it hits the ground. (a) Find the velocity of the object when it is 24.5 m above the ground. (Indicate the direction with the sign of your answer. Let the positive direction be upward.) Your response differs from the correct answer by more than 100%. m/s (b) Find the total distance the object travels during the fall. marrow_forwardJack and Jill exercise in a 25.0 m long swimming pool. Jack swims 9 lengths of the pool in 136.1 s (2 min and 16.1 s), whereas Jill, the faster swimmer, covers 10 lengths in the same time interval. Find the average velocity and average speed of each swimmer. Jack's average velocity: m/s Jack's average speed: m/s Jill's average velocity: m/s Jill's average speed: m/sarrow_forward
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