3. Watch Segment D (Vectors and Scalars), Segment E (Graphical Resolution of Vectors) andSegment F (Mathematic Resolution of Vectors) at https://www.gpb.org/physics-in-motion (TheGPB Physics In Motion video series). Then write answers to the following questions, showing allyour calculations.[a] A child with mass Y kilograms (kg) who is skating westward in a hockey rink at Y centimetersper second (cm/s) runs into a friend, also with mass Y kg, who is skating southward at Z cm/s.The children grab onto each other and keep moving across the ice. Draw a diagram of thisinteraction; label the relevant objects, quantities, and velocity vectors pre- and post- collision.Y =18 kq =massZ=48 cm/s[b] What is the velocity (magnitude and direction) of the two children after they collide? Youranswer should be significant to two digits.

Answered: [a] A child with mass Y kilograms (kg)…

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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3. Watch Segment D (Vectors and Scalars), Segment E (Graphical Resolution of Vectors) and
Segment F (Mathematic Resolution of Vectors) at https://www.gpb.org/physics-in-motion (The
GPB Physics In Motion video series). Then write answers to the following questions, showing all
your calculations.
[a] A child with mass Y kilograms (kg) who is skating westward in a hockey rink at Y centimeters
per second (cm/s) runs into a friend, also with mass Y kg, who is skating southward at Z cm/s.
The children grab onto each other and keep moving across the ice. Draw a diagram of this
interaction; label the relevant objects, quantities, and velocity vectors pre- and post- collision.
Y =18 kq =mass
Z=48 cm/s
[b] What is the velocity (magnitude and direction) of the two children after they collide? Your
answer should be significant to two digits.

Expert Solution

Step 1

$m a s s o f f i r s t c h i l d = Y k g m a s s o f s e c o n d c h i l d = Y k g i n i t i a l v e l o c i t y o f f i r s t c h i l d = Y \frac{c m}{s e c}, t o w a r d s w e s t i n i t i a l v e l o c i t y o f s e c o n d c h i l d = Z \frac{c m}{s e c}, t o w a r d s s o u t h Y = 18 k g Z = 48 \frac{c m}{s e c}$

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