An electron and a positron each moving at 30 x 105ms
An electron and a positron, each moving at 3.0 x 10^5m/s, collide head on, disappear, and produce two photons moving in opposite directions, each with the same energy and momentum.
Determine the energy and momentum of each photon (show your units)
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Calculate the number of grams of sulfuric acid in 1 gallon of battery acid if the solution has a density of 1.33g/mL and is 38.9\% sulfuric acid by mass.
she has decided to save $1,000 a quarter for the next four years in a bank account paying 12 percent interest (compounded quarterly). How much will she have at the end of fourth year? (Round to the nearest whole dollar)
An unknown material has a normal melting/freezing point of -26.3° C, and the liquid phase has a specific heat capacity of 160 J/(kg · C°). What is the latent heat of fusion of the unknown material
A solution contains 10.90g of unknown compound dissolved in 50.0mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -6.53C. What is the molecular formula of the compound
An electron and a positron, each moving at 3.0 x 10^5m/s, collide head on, disappear, Determine the energy and momentum of each photon
find the force between a charged circular loop of radius b and uniform charge density l and a point charge Q located on the loop axis at a distance h from the plane of the loop. what is the force when h>>b, and when h=0 plot the force as a f
What is the rms speed of nitrogen molecules at a temperature of 55 oC? The mass of a nitrogen molecule is 4.680×10-26 kg
A solution is prepared by dissolving 11.60g of a mixture of sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0-cm^3 sample of the solution is then treated with excess HNO3 and boiled to remove all the dissolved gas.
one of a handful of planned air car models can hit 68 mph and has a range of 125 miles. it will take only few minutes to refuel at gas station equipped with costume air compressor unit. it should cost around $2 to fill the car's carbon-fiber tanks
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Cost-Reduction Initiatives: Identify cost-reduction initiatives and state how you would operationalize them within the healthcare environment
My PICOT question is, in older adults in the hospital setting, how does implementation of a nurse-led fall prevention program compared to a traditional f
Public health informatics uses public health knowledge to broaden the public health knowledge base through learning. improve population health in daily practic
In Brazil people use to take this medicine called "Dipirona". What is it's ingredient and what equivalent options do we have here in Australia?
An ill or injured patient may have suffered from damaged tissues that the cell cycle, including mitosis, won't naturally repair or replace.
Public health informatics is used to create programs such as CDC's Flu View and the COVID.19 Data Tracker to represent data visually.
Cost-Reduction Initiatives: Identify cost-reduction initiatives and state how you would operationalize them within the healthcare environment.