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You've been tasked with disposing of some radioactive waste from the manufacture of medical imaging agents. The main radioactive isotope in this waste is 131I (which has a half-life of ~8.0 days and decays primarily via a ß - mechanism). There are companies that specialize in the disposal of radioisotopes, but they are very expensive. The local landfill has agreed to allow you to dispose of the waste as long as the radioactivity is below 1 x 10-3 mCi.
a.) If the waste originally has an activity of 10 Ci, how long would you have to store the waste to be able to dispose of it in the landfill? (Remember to show your work for full credit)
b.) What kind of container should you store the waste in while it's decaying?
A block slides down a frictionless plane having an inclination of θ = 19.1 °. Find its speed when it reaches the bottom of the incline
A 370 kg rocket sled can be accelerated at a constant rate from rest to 1200 km/h in 2.0 s. What is the magnitude of the required net force
a pendulum clock that works perfectly on earth is taken to the moon. assume that the free-fall acceleration on the moon
A hollow aluminum sphere with outer diameter 8.7 centimeter has a mass of 770 gram. Determine what is the sphere inner diameter
A totally absorbing detector of area A = 10 cm2 lies perpendicularly to the direction of propagation. How much energy is absorbed by the detector in one second?
A capacitor consists of two closely spaced metal conductors of large area, separated by a thin insulating foil. Calculate the amount of energy stored in the capacitor
Three metal fishing weights, each with a mass of 1.00x102 g and at temperature of 100oC, are placedin 1.00x102g of water at 35oC. The final temperature of the mixture is 45.0oC. What is the specific heat of the metal in the weights?
Discuss the key problems facing an organization as it changes from an entrepreneurship to a professionally managed company in Stage III.
A model rocket is constructed with a motor that can provide a total impulse of 29.0 Ns. The mass of the rocket is 0.175 kilogram. Find the speed that this rocket achieves
Four identical charges (+2.0 μC each)are brought from infinity and fixed to a straight line. The chargesare located 0.40 m apart. Determine the electric potential energyof this group.
Two converging lenses are separated by 23.20 cm. The focal length of each lens is 12.20 cm. Determine the final image distance relative to the lens on the right
a circular conducting loop with a radius of 1.0m and a small gap filled with a 10.0ohm resistor is oriented in the xy-plane. what is the magnitude of the current that will be caused to flow in the conductor
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