What has a greater effect on an object's kinetic energy doubling it's mass or doubling it's speed?

True or false, the three major scales used to measure earthquakes are mercalli scale, richter scale and magnitude scale

What is the overall order of reaction for rate = k[no]2[o2]

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.