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Question 10 (a) In a minor rail yard accident, a runaway goods truck of mass 1.85 x 10 kg collides at u = 20.0 ms¹ with a stationary truck of mass 2.20 x 10 kg, as shown in Figure 3. The trucks lock together and travel at the same speed after the collision. Assume friction is negligible. moving goods truck stationary goods truck Figure 3 Sketch of the runaway and stationary goods trucks, for use in Question 10. (i) Show that the speed of the trucks after the collision is 9.14 ms¹. (ii) One of the truck wheels can be modelled as a solid disk of radius 4.60 x 10-1 m and moment of inertia 36.5 kg m2. Calculate the magnitude of the wheel's angular momentum after the collision. (iii) The truck's linear velocity vector is in the positive x-direction using the Cartesian coordinate system shown in Figure 3. What is the direction of the wheel's angular momentum vector? Briefly explain your reasoning.

Question 10 (a) In a minor rail yard accident, a runaway goods truck of mass 1.85 x 10 kg collides at u = 20.0 ms¹ with a stationary truck of mass 2.20 x 10 kg, as shown in Figure 3. The trucks lock together and travel at the same speed after the collision. Assume friction is negligible. moving goods truck stationary goods truck Figure 3 Sketch of the runaway and stationary goods trucks, for use in Question 10. (i) Show that the speed of the trucks after the collision is 9.14 ms¹. (ii) One of the truck wheels can be modelled as a solid disk of radius 4.60 x 10-1 m and moment of inertia 36.5 kg m2. Calculate the magnitude of the wheel's angular momentum after the collision. (iii) The truck's linear velocity vector is in the positive x-direction using the Cartesian coordinate system shown in Figure 3. What is the direction of the wheel's angular momentum vector? Briefly explain your reasoning.

College Physics
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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Question 10 (a) In a minor rail yard accident, a runaway goods truck of mass 1.85 x 10 kg collides at u = 20.0 ms¹ with a stationary truck of mass 2.20 x 10 kg, as shown in Figure 3. The trucks lock together and travel at the same speed after the collision. Assume friction is negligible. moving goods truck stationary goods truck Figure 3 Sketch of the runaway and stationary goods trucks, for use in Question 10. (i) Show that the speed of the trucks after the collision is 9.14 ms¹. (ii) One of the truck wheels can be modelled as a solid disk of radius 4.60 x 10-1 m and moment of inertia 36.5 kg m2. Calculate the magnitude of the wheel's angular momentum after the collision. (iii) The truck's linear velocity vector is in the positive x-direction using the Cartesian coordinate system shown in Figure 3. What is the direction of the wheel's angular momentum vector? Briefly explain your reasoning.
Transcribed Image Text:Question 10 (a) In a minor rail yard accident, a runaway goods truck of mass 1.85 x 10 kg collides at u = 20.0 ms¹ with a stationary truck of mass 2.20 x 10 kg, as shown in Figure 3. The trucks lock together and travel at the same speed after the collision. Assume friction is negligible. moving goods truck stationary goods truck Figure 3 Sketch of the runaway and stationary goods trucks, for use in Question 10. (i) Show that the speed of the trucks after the collision is 9.14 ms¹. (ii) One of the truck wheels can be modelled as a solid disk of radius 4.60 x 10-1 m and moment of inertia 36.5 kg m2. Calculate the magnitude of the wheel's angular momentum after the collision. (iii) The truck's linear velocity vector is in the positive x-direction using the Cartesian coordinate system shown in Figure 3. What is the direction of the wheel's angular momentum vector? Briefly explain your reasoning.
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