Analysis II [20]: Pure rolling (1) Use the data in Table R2 and error propagation rule to compute the travel time ratio (with errors) of the other objects to the hollow cylinder . Fill in Table R5 below. [6] Table R5 (Express answers to 3 sig. figs.)

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f

Acar travels 40m in 8 seconds find the car speed