Physics Laboratory Manual
Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 44, Problem 6PLA
To determine

The remaining number of nuclei present in the sample after one hour.

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You MUST show your work how you got your answer.   The factor is 0.064. What is the the decay rate.
Seawater contains 3 mg of uranium per cubic meter. (a) Given that the average ocean depth is about 4 km and water covers two - thirds of Earth’s surface, estimate the amount of uranium dissolved in the ocean. (b) Estimate how long this uranium could supply the world’s energy needs at the current usage of 1.5 x 1013 J/s. (c) Where does the dissolved uranium come from? Is it a renewable energy source? Can uranium from the ocean satisfy our energy requirements? Discuss. Note: Breeder reactors increase the efficiency of nuclear fuel use by approximately two orders of magnitude.
How many particles are present in a closed container if the energy it contains is 98998.19J, and the diatomic oxygen gas is moving at a velocity of 26.52m/s? Use only the whole number for the value of atomic mass unit. Express your answer in proper scientific notation.
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