A75 kg person is two-thirds way up a uniform ladder of length 3.5 m and mass 37.5 kg that is leaning against a wall. the coefficient of static friction between the ladder and wall is 0, and that between ladder and floor is 0.35. what is the maximum angle between the ladder and the wall before the ladder starts slipping? a) 27.06750 b) 26.25° c) 61.96875 d) 41.99 e) 36.1°

How can you increase the strength of an electromagnet?

Aleaky 10-kg bucket is lifted from the ground to a height of 15 m at a constant speed with a rope that weighs 0.7 kg/m. initially the bucket contains 45 kg of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the 15-m level. find the work done. (use 9.8 m/s2 for g.) show how to approximate the required work by a riemann sum. (let x be the height in meters above the ground. enter xi* as xi.) lim n → ∞ n (9.8)(45−3 xi) i = 1 δx express the work as an integral. 0 dx evaluate the integral. (round your answer to the nearest integer.) j

Based on details in the riddle of the rosetta stone, which statement best describes jean-baptiste fourier’s influence on jean-françois champollion?