the tower of doom at elitch gardens in denver colorado lifts 12 people 60 meters into the air. the engineers assume the average person has a mass of 60 kg. how much work is done by gravity as the riders are lifted to a height of 60 meters?

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

The process of predicting values that extend beyond the range of data points is called absolute value extrapolation interpolation prediction for any given: )