Part A If the beam is rotated at an angular velocity of 1.45×10^−3rad/s1.45×10^−3rad/s, at what speed does the laser light move across the moon’s surface? ( 3.84 x10^8) Express your answer with the appropriate units. Part B If the diameter of the laser spot on the moon is 6.10 km , what is the angle of divergence of the laser beam? Express your answer in radians

Part A If the beam is rotated at an angular velocity of 1.45×10^−3rad/s1.45×10^−3rad/s, at what speed does the laser light move across the moon’s surface? ( 3.84 x10^8) Express your answer with the appropriate units. Part B If the diameter of the laser spot on the moon is 6.10 km , what is the angle of divergence of the laser beam? Express your answer in radians

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

Chapter25: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 62P

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Part A

If the beam is rotated at an angular velocity of 1.45×10^−3rad/s1.45×10^−3rad/s, at what speed does the laser light move across the moon’s surface? ( 3.84 x10^8)

Express your answer with the appropriate units.

Part B

If the diameter of the laser spot on the moon is 6.10 km , what is the angle of divergence of the laser beam?

Express your answer in radians

Definition Definition Rate of change of angular displacement. Angular velocity indicates how fast an object is rotating. It is a vector quantity and has both magnitude and direction. The magnitude of angular velocity is represented by the length of the vector and the direction of angular velocity is represented by the right-hand thumb rule. It is generally represented by ω.

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