tics ime Left:1:58:50 Sophie Walls: Attempt 4 Question 7 (10 points) In an experiment, a seabird was taken from its nest, flown 5150 km away, and released. The bird found its way back to its nest 13.5 days after release. If we place the origin at the nest and extend the +x axis to the release point, what was the bird's average velocity in m/s for the return flight? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer units Question 8 (10 points) An ambitious hiker walks 25 km west and then 35 km south in a day. Find the magnitude of the hiker's resultant displacement. (Remember units cannot have prefixes) Note: Your answer is assumed to be reduced to the highest power possible. MacBook 686 F3 F4 F6 D $ & W A 5 6 7 9 O E R T Y U O P D F G H Kics ime Left:1:58:42 Sophie Walls: Attempt 4 Question 9 (10 points) Starting from a pillar, you run 200 m east (the + x direction) at an average speed of 5.0 m/s and then run 280 m west at an average speed of 4.0 m/s to a post. Calculate your average speed from pillar to post. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer units Question 10 (10 points) Starting from the front door of a ranch house, you walk 60.0 m due east (the + x direction) to a windmill, turn around, and then slowly walk 40.0 m west to a bench, where you sit and watch the sunrise. It takes you 28.0 s to walk from the house to the windmill and then 36.0 s to walk from the windmill to the bench. For the entire trip from the front door to the bench, what is your average velocity? Note: Your answer is assumed to be reduced to the highest power possible. MacBook F3 F6 F7 DD F8 F9 F10 $ 8 4 5 6 9 O E R T Y U O P D F G H