If you subtract an objects starting velocity from its final velocity and divide by the time it took to change velocity, what are you finding

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Which description best characterizes the motion of particles in a solid?