1 point 3. The half-life of carbon-14 is about 5.730 years, while the half-life of
uranium-238 is about 4.5 billion years. Which of these isotopes decays at a
faster rate?

they decay at the same rate
carbon-14
uranium-238

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.

What is the relationship between the direction of motion of the balloon and the wind currents