Coronal density in particles per cubic meter
The solar corona is an extended atmosphere of hot 2*10^6 K gas surrounding the cooler visible surface of the Sun. The gas pressure in the solar corona is about 0.03Pa. What is the coronal density in particles per cubic meter?
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What is his speed at the bottom of the swing if he starts with an initial speed of 3.44 m/s?
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An unknown mass of silver is dropped into a bucket containing 3 kg of water. The silver is heated to 689 K before being immersed in the water, and the water is initially at 0 C. The system comes to rest at 303 K. Ignoring any heat lost to the buck
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