(a) Calculate the momentum of a 2000-kg elephant charging a hunter at a speed of $7.50 extrm{ m/s}$ . (b) Compare the elephant’s momentum with the momentum of a 0.0400-kg tranquilizer dart fired at a speed of $600 extrm{ m/s}$. (c) What is the momentum of the 90.0-kg hunter running at $7.40 extrm{ m/s}$ after missing the elephant?

Question

(a) Calculate the momentum of a 2000-kg elephant charging a hunter at a speed of $7.50 	extrm{ m/s}$ . (b) Compare the elephant’s momentum with the momentum of a 0.0400-kg tranquilizer dart fired at a speed of  $600 	extrm{ m/s}$. (c) What is the momentum of the 90.0-kg hunter running at  $7.40 	extrm{ m/s}$ after missing the elephant?

Accepted Answer

a) $1.50 	imes 10^4 	extrm{ kg m/s}$b) 625c) $666 	extrm{ kg m/s}$

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

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