5. A ball is thrown vertically upwards with an initial speed of 120 m/s: A) What will be the speed 3 seconds after the launch? B) How long does it take to reach the highest point of your trajectory? C) What is the maximum height reached by the ball? D) How long does it take to descend? E) How fast does it return to the launch point? The answers should be A) 90.6 m/s B) 12.25 s C) 734.1 m D) 24.5 s E) -120 m/s

5. A ball is thrown vertically upwards with an initial speed of 120 m/s: A) What will be the speed 3 seconds after the launch? B) How long does it take to reach the highest point of your trajectory? C) What is the maximum height reached by the ball? D) How long does it take to descend? E) How fast does it return to the launch point? The answers should be A) 90.6 m/s B) 12.25 s C) 734.1 m D) 24.5 s E) -120 m/s

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter3: Two-dimensional Kinematics

Section: Chapter Questions

Problem 28PE: (a) A daredevil is attempting to jump his motorcycle over a line of buses parked end to end by...

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