Johnny, who has a mass of 70 kg, is having fun on a floating dock in the middle of a pond. The dock is 8 meters long and has a mass of 200 kg. Johnny starts from rest at one end of the dock which is also at rest initially. He accelerates at 2 m/s2 running towards the other end of the dock where he jumps off into the pond. Assuming the dock is free to move (ignore water resistance), how fast is it moving after Johnny’s dive? Find your numerical answer in m/s to 3 significant figures.

Johnny, who has a mass of 70 kg, is having fun on a floating dock in the middle of a pond. The dock is 8 meters long and has a mass of 200 kg. Johnny starts from rest at one end of the dock which is also at rest initially. He accelerates at 2 m/s2 running towards the other end of the dock where he jumps off into the pond. Assuming the dock is free to move (ignore water resistance), how fast is it moving after Johnny’s dive? Find your numerical answer in m/s to 3 significant figures.

Name: Johnny, who has a mass of 70 kg, is having fun on a floating dock in t
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Description: Johnny, who has a mass of 70 kg, is having fun on a floating dock in the middle of a pond. The dock is 8 meters long and has a mass of 200 kg. Johnny starts from rest at one end of the dock which is also at rest initially. He accelerates at 2 m/s2 ru

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter1: Introduction: The Nature Of Science And Physics

Section: Chapter Questions

Problem 32PE: Calculate the approximate number of atoms in a bacterium. Assume that the average mass of an atom in...

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