The column has a mass of 600 lb/ft and a force of 50 kips applied at the top. the diagonal brace has a 10 kip axial force that can be either tension or compression (note that in seismic and wind loading on buildings, braces experience both tension and compression). assume all elements are pin-connected at their ends, including the two supports.

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

Aballet student who learns with the of his instructor is demonstrating learning.

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.