1. You decide you are done with physics and you run away to join a traveling circus. The circus is putting on a new act which involves launching someone out of a cannon, “the human cannonball," however, the cannon is mounted atop a train. The human cannonball will be launched forward from atop the train, just before landing in front of the train, a trapeze artist will swoop them up before they get hit by the train. The Ring Mistress of the circus learns that you studied physics and decides she wants you to do some calculations for the safety of the human cannonball. You can't seem to escape your physics class even in the circus. Suppose the human cannonball is launched with speed vo and launch angle 0. At the moment they launch, the train which had been moving with speed verain, begins to accelerate with acceleration a. NOTE: This problem involves understanding relative motion between the ground's stationary reference frame and the train's moving frame. a. Sketch the physical situation and include any relevant diagrams or information about the problem. List your knowns and unknowns, and any relevant equations. b. Write down the x and y components of the of the cannonball's velocity in the ground reference frame and find the time of flight for the projectile. c. Using the result form part b, and your knowledge of kinematics, to determine the horizontal distance that the projectile travels and the distance the train travels in that time. Given this, what is the range of the human cannonball (i.e. the distance away from the train that the human cannonball will land)?
1. You decide you are done with physics and you run away to join a traveling circus. The circus is putting on a new act which involves launching someone out of a cannon, “the human cannonball," however, the cannon is mounted atop a train. The human cannonball will be launched forward from atop the train, just before landing in front of the train, a trapeze artist will swoop them up before they get hit by the train. The Ring Mistress of the circus learns that you studied physics and decides she wants you to do some calculations for the safety of the human cannonball. You can't seem to escape your physics class even in the circus. Suppose the human cannonball is launched with speed vo and launch angle 0. At the moment they launch, the train which had been moving with speed verain, begins to accelerate with acceleration a. NOTE: This problem involves understanding relative motion between the ground's stationary reference frame and the train's moving frame. a. Sketch the physical situation and include any relevant diagrams or information about the problem. List your knowns and unknowns, and any relevant equations. b. Write down the x and y components of the of the cannonball's velocity in the ground reference frame and find the time of flight for the projectile. c. Using the result form part b, and your knowledge of kinematics, to determine the horizontal distance that the projectile travels and the distance the train travels in that time. Given this, what is the range of the human cannonball (i.e. the distance away from the train that the human cannonball will land)?
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 4.76AP: A truck loaded with cannonball watermelons stops suddenly to avoid running over the edge of a...
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