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A solid sphere at temperature T radiates energy at a rate of R J/s.If the radius of the sphere were doubled (its temperature remains at T) ,then the rate of radiating energy would go up by a factor of
Online Marketplace
A virtual platform that connects buyers and sellers, facilitating the exchange of goods, services, or information over the internet.
Internet Speed
The rate at which data is transferred from the internet to the user's computer or device, typically measured in megabits per second (Mbps).
Korea
A country in East Asia, divided into two distinct sovereign states: North Korea and South Korea, each with its own government and political system.
Africa
The second-largest continent on Earth, known for its rich cultural heritage, diverse ecosystems, and vast natural resources.
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