The solid spherical Earth has a mass M=6.0x1024 kg, a radius R=6.37x106 m, and orbits the Sun at a distance r=1.5x1011 m. How much rotational kinetic energy is associated with the Earth's daily rotation about its own axis? O a 6.8x1046 j 2.7x1046 J 9.6x1037) 4.9x1037)

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section10.4: Rotational Kinetic Energy
Problem 10.4QQ
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The solid spherical Earth has a mass M=6.0x1024 kg, a radius R=6.37x106 m, and orbits the Sun at a distance r=1,5x10'1 n
.
How much rotational kinetic energy is associated with the Earth's daily rotation about its own axis?
O a
6.8x1046 J
O b
2.7x1046 J
9.6x1037 J
C
4.9×1037j
Transcribed Image Text:The solid spherical Earth has a mass M=6.0x1024 kg, a radius R=6.37x106 m, and orbits the Sun at a distance r=1,5x10'1 n . How much rotational kinetic energy is associated with the Earth's daily rotation about its own axis? O a 6.8x1046 J O b 2.7x1046 J 9.6x1037 J C 4.9×1037j
Five objects are rolling along the ground at the same speed, and approach a ramp. Rank the objects in order of how high up the ramp they will
reach before coming to a stop, from lowest to highest.
t 1. Ring
2. Hollow sphere
1 3. Cart with nearly massless wheels
1 4. Solid cylinder
1 5. Solid sphere
Transcribed Image Text:Five objects are rolling along the ground at the same speed, and approach a ramp. Rank the objects in order of how high up the ramp they will reach before coming to a stop, from lowest to highest. t 1. Ring 2. Hollow sphere 1 3. Cart with nearly massless wheels 1 4. Solid cylinder 1 5. Solid sphere
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