Satellite TV is broadcast from satellites that orbit the earth. Their antennas broadcast a 15 kW microwave signal that covers most of North America, an area of about 2.5 × 107 km2. What is the total power that strikes a 46-cm-diameter ground-based dish antenna?

Satellite TV is broadcast from satellites that orbit the earth. Their antennas broadcast a 15 kW microwave signal that covers most of North America, an area of about 2.5 × 107 km2. What is the total power that strikes a 46-cm-diameter ground-based dish antenna?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 29CQ: In what range of electromagnetic radiation are the electromagnetic waves emitted by power lines in a...

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Satellite TV is broadcast from satellites that orbit the earth. Their antennas broadcast a 15 kW microwave signal that covers most of North America, an area of about 2.5 × 10⁷ km². What is the total power that strikes a 46-cm-diameter ground-based dish antenna?

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