In 1903 Marie Curie won the Nobel prize for which of the following? 1. She realized that pitchblende was more radioactive than uranium
2. She developed ways to separate radium from other materials
3. She and her husband discovered two new chemical elements, polonium, and radium
4. She helped discover that radioactive materials are life-threatening

(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?