Change the chapter
Question
(a) Calculate the momentum of a 2000-kg elephant charging a hunter at a speed of $7.50 \textrm{ m/s}$ . (b) Compare the elephant’s momentum with the momentum of a 0.0400-kg tranquilizer dart fired at a speed of $600 \textrm{ m/s}. (c) What is the momentum of the 90.0-kg hunter running at $7.40 \textrm{ m/s}$ after missing the elephant?
Question by OpenStax is licensed under CC BY 4.0.
Final Answer

a) $1.50 \times 10^4 \textrm{ kg m/s}$

b) 625

c) $666 \textrm{ kg m/s}$

Solution Video

OpenStax College Physics Solution, Chapter 8, Problem 1 (Problems & Exercises) (1:35)

Calculator Screenshots

OpenStax College Physics, Chapter 8, Problem 1 (PE) calculator screenshot 1
OpenStax College Physics, Chapter 8, Problem 1 (PE) calculator screenshot 2

Comments

Submitted by jon8404 on Thu, 11/01/2018 - 13:38

how can i get additional help? or do you all have other resources?

Submitted by ShaunDychko on Tue, 11/13/2018 - 20:25

Hi jon8404, I'm offering screencast videos here with closed captions, along with calculator screenshots. Currently I'm working on the odds, and I'll return to each chapter to complete the evens after wrapping up the odds.

In reply to by jon8404