Determine (a) the principal stresses and (b) the maximum in-plane shear stress/average normal stress that are developed at point a. draw the ‘little red squares’ for both situations. use mohr’s circle(s) only.

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest