At the instant $\backslash (\backslash$theta$=45^\{\backslash$circ$\}\backslash ),$ the boy's center of mass $\backslash ($ G $\backslash )$ is momentarily at rest. $($Figure $1)$

Part A

Determine his speed when $\backslash (\backslash$theta$=85^\{\backslash$circ$\}\backslash ).$ The boy has a weight of $50$ lb $.$ Neglect his size and the mass of the seat and cords.

Express your answer to three significant figures and include the appropriate units.

Request Answer

Part B

Determine the tension in each of the two supporting cords of the swing when $\backslash (\backslash$theta$=85^\{\backslash$circ$\}\backslash )$

Express your answer to three significant figures and include the appropriate units.

for Part B

undo for Part B redo for Part B reset for Part B keyboard shortcuts for Part B for Part B help for Part B

Request Answer

Provide Feedback