Ⓒ Macmillan Learning Two skydivers are holding on to each other while falling straight down at a common terminal speed of 54.70 m/s. Suddenly, they push away from each other. Immediately after separation, the first skydiver, who has a mass m₁ of 94.80 kg, has a velocity U₁ with the following components ("straight down" corresponds to the positive z-axis). V1.x = 4.930 m/s V1.y = 3.750 m/s V1,z = 54.70 m/s What are the x- and y-components of the velocity U₂ of the second skydiver, whose mass m₂ is 52.20 kg, immediately after separation? Assume that there are no horizontal forces of air resistance acting on the skydivers. U2,x = m/s What is the change in kinetic energy of the system AK system? AK system = joules U2,y = m/s

Ⓒ Macmillan Learning Two skydivers are holding on to each other while falling straight down at a common terminal speed of 54.70 m/s. Suddenly, they push away from each other. Immediately after separation, the first skydiver, who has a mass m₁ of 94.80 kg, has a velocity U₁ with the following components ("straight down" corresponds to the positive z-axis). V1.x = 4.930 m/s V1.y = 3.750 m/s V1,z = 54.70 m/s What are the x- and y-components of the velocity U₂ of the second skydiver, whose mass m₂ is 52.20 kg, immediately after separation? Assume that there are no horizontal forces of air resistance acting on the skydivers. U2,x = m/s What is the change in kinetic energy of the system AK system? AK system = joules U2,y = m/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

Ⓒ Macmillan Learning
Two skydivers are holding on to each other while falling straight down at a common terminal speed of 54.70 m/s. Suddenly,
they push away from each other. Immediately after separation, the first skydiver, who has a mass m₁ of 94.80 kg, has a velocity
U₁ with the following components ("straight down" corresponds to the positive z-axis).
V1.x = 4.930 m/s
V1.y = 3.750 m/s
V1,z = 54.70 m/s
What are the x- and y-components of the velocity U₂ of the second skydiver, whose mass m₂ is 52.20 kg, immediately
after separation?
Assume that there are no horizontal forces of air resistance acting on the skydivers.
U2,x
=
m/s
What is the change in kinetic energy of the system AK system?
AK system =
joules
U2,y =
m/s

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