Technician A says that the most accurate way to verify brake shoe to drum clearance is to perform a wheel-down brake adjustment. Technician B says that performing a wheel-up brake adjustment can identify problems such as drum warpage as well as set the shoe to drum clearance. Who is correct?

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

More solar radiation is absorbed by earth’s surface than by

Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f