Physics 20: Mrs. Tyler Assignment 2 b) What is its velocity after 2.75 s? (2) 12. (2) (2) 11 Use the following information for parts a-b. A train in Europe has an initial velocity of +50.0 m/s. a) If while braking, the train underwent an acceleration of -2.00 m/s for 20.0 s, what was the train's braking distance? b) What was the train's velocity after the acceleration? O ADLC All Rights Reserved (2019) Physics 20: Mrs. Tyler Assignment 2 13. Use the following information for parts a-b. (2) A rocket accelerates from rest to an upward velocity of 4075 m/s over a displacement of 375 km. a) What is the acceleration of the rocket? (2) b) How long did it take the rocket to travel 375 km? You're done! Once you've completed and checked all of your solutions, submit all of Assignment 2 to the appropriate dropbox in Moodle. O ADLC All Rights Reserved (2019) 12 Physics 20: Mrs. Tyler Assignment 2 (1) d) Using your position-time graph, calculate the maximum velocity reached by your bicycle. Show all your work and answer to two significant digits. iv (1) 10 ive attached position time & velocity time graphs to help e) Using your velocity-time graph, calculate how far your bicycle travelled while braking. Show all your work and answer to two significant digits. Unit A Module 1, Lesson 5: Kinematics Equations Lesson 5 of this assignment is worth 12 marks. The value of each question is noted in the left margin in parentheses. 11. (2) Use the following information for parts a-b. A peregrine falcon drops from rest off the top of the Stantec Tower, which is 250.8 m tall. It accelerates in the downward direction due to gravity at a rate of 9.81 m/s (assume no air resistance). a) How long did it take the peregrine falcon to reach the ground? O ADLC All Rights Reserved (2019) Physics 20: Mrs. Tyler Assignment 2 10. Use the following information for parts a-e. (4) 7 You are riding your bicycle to school. On your way to school, you undergo the following motions: you accelerate from rest for 4.0 s at +1.0 m/s then you coast (constant velocity) for 5.0 s at +4.0 m/s then you slow down at -2.0 m/s for 2.0 s a) Draw the position-time graph for your trip to school. Label your graph (m) appropriately. Position Time graph for trip to school. 40' 35 36 34 32 30 Position 26 Cm). 24 2 2 1 222ees 20 - 12 10 8 6 20 2 3 " S 1 10 11 Time (s) ADLC All Rights Reserved (2019) (sel Velocity (mis) -nws Gova 3 2 Physics 20: Mrs. Tyler Assignment 2 (4) b) Draw the velocity-time graph for your trip to school. Label your graph appropriately. Velocity Time graph for trip to School 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 time (sec) ADLC All Rights Reserved (2019) 8