Alarge 75-kg lighting fixture can be hung from wires of identical size and shape made of aluminum, brass, or copper. the values of young's modulus for these metals are 0.70 × 1011 pa (aluminum), 0.91 × 1011 (brass), and 1.1 × 1011 (copper). which wire would stretch the least distance? a. aluminumb. brassc. copperd. they will all stretch the same distance

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

What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil