Recent content by drobtj2

Thanks, this problem was part of a lab, and later the experimental and theoretical data didnt match, so i figured my method had been wrong, and I got good results using only kinetic.

Homework Statement Using the length of a swing's chain (1.8m) and using the angle the swing starts at relative to the vertical (30 deg.) devise a method to calculate the max veloc. of the swing at the bottom. Assume mass of person+swing=72 kg Homework Equations Ui+Ki=Uf+Kf K=1/2 mv^2...

Homework Statement Derive a formula to calculate the height of the top of a hill on a roller coaster using triangulation. Final answer should be in terms of d, angle 1, and angle 2. There are two points on the ground. Angle 1 is the angle formed between the ground and a line that goes...

Homework Statement Derive a formula to calculate the height of the top of a hill on a roller coaster using triangulation. Final answer should be in terms of d, angle 1, and angle 2. There are two points on the ground. Angle 1 is the angle formed between the ground and a line that goes...

Homework Statement A tin can has a total volume of 1200 cm^3 and a mass of 130g. How many grams of lead shot of density 11.4 g/cm^3 could it carry without sinking in water? Homework Equations Bouyancy force= mass of displaced fluid*g The Attempt at a Solution no idea!