Need the unique and correct answers plz. Assume there is no friction or drag between theboat and water.A man stands at the front end of a uniform boatof mass 170 kg and of length, L= 2.5 m.Given, men's weight is 67 kg.(1) What is the location of the center of mass ofthe system when the origin of our coordinatesystem (i) on the man's original location (ii) onthe back end of the boat?(2) If the man walks from the front end to theback end of the boat, by how much is the boatdisplaced?(3) Now consider the man and his friend withidentical mass of 67 kg are rowing the boat on ahot summer afternoon when they decide to gofor a swim. The man jumps off the front of theboat at speed 3 m/s and his friend jumps off theback at speed 4 m/s. If the boat was movingforward at 1.5 m/s when they jumped, what isthe speed of the boat after their jump?

Given Length of boat =L= 2.5M Mass of boat =170kg =M1 Mass of man = 67 kg = M2

Answered: (1) What is the location of the center…

(1) What is the location of the center of mass of the system when the origin of our coordinate system (i) on the man's original location (ii) on the back end of the boat?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter9: Linear Momentum And Collisions

Section: Chapter Questions

Problem 69P: Find the center of mass of a rod of length L whose mass density changes from one end to the other...

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Question

Need the unique and correct answers plz.

Assume there is no friction or drag between the
boat and water.
A man stands at the front end of a uniform boat
of mass 170 kg and of length, L= 2.5 m.
Given, men's weight is 67 kg.
(1) What is the location of the center of mass of
the system when the origin of our coordinate
system (i) on the man's original location (ii) on
the back end of the boat?
(2) If the man walks from the front end to the
back end of the boat, by how much is the boat
displaced?
(3) Now consider the man and his friend with
identical mass of 67 kg are rowing the boat on a
hot summer afternoon when they decide to go
for a swim. The man jumps off the front of the
boat at speed 3 m/s and his friend jumps off the
back at speed 4 m/s. If the boat was moving
forward at 1.5 m/s when they jumped, what is
the speed of the boat after their jump?

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