*A uniform disk is mounted horizontally on a spindle so that it can rotate freely. The disk is initially at rest. A top view is shown. There are two exhaust ports which provide thrust when the engines are engaged. One is mounted 2m above the axel and the exhaust gases escape towards the right side of the page. The other is mounted 1 meter to the right of the axel and the exhaust gases escape towards the top of the page. Each exhaust port provides 20N of thrust. R;=1m R=3m What is the magnitude of the angular momentum of the disk after the engines have engaged for 5 seconds? 20 kg m²/s 200 kg m²/s O 100 kg m2/s O 30 kg m²/s R2=2m

*A uniform disk is mounted horizontally on a spindle so that it can rotate freely. The disk is initially at rest. A top view is shown. There are two exhaust ports which provide thrust when the engines are engaged. One is mounted 2m above the axel and the exhaust gases escape towards the right side of the page. The other is mounted 1 meter to the right of the axel and the exhaust gases escape towards the top of the page. Each exhaust port provides 20N of thrust. R;=1m R=3m What is the magnitude of the angular momentum of the disk after the engines have engaged for 5 seconds? 20 kg m²/s 200 kg m²/s O 100 kg m2/s O 30 kg m²/s R2=2m

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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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.

Question

Rotational Inertia for Common Shapes
Rod about
Solid cylinder or
disc, symmetry axis
Hoop about
symmetry axis
Solid
center
I=-MR²
sphere
I=-MR²
I = MR²
- ML²
Hoop about
diameter
Thin spherical
shell
Rod about
end
*A uniform disk is mounted horizontally on a spindle so that it can rotate freely.
The disk is initially at rest. A top view is shown.
There are two exhaust ports which provide thrust when the engines are
engaged. One is mounted 2m above the axel and the exhaust gases escape
towards the right side of the page. The other is mounted 1 meter to the right of
the axel and the exhaust gases escape towards the top of the page. Each
exhaust port provides 20N of thrust.
R3=1m
R=3m
What is the magnitude of the angular momentum of the disk after the engines
have engaged for 5 seconds?
20 kg m²/s
200 kg m2/s
100 kg m²/s
O 30 kg m2/s
300 kg m2/s
O 10 kg m²/s
R2=2m

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