A beam 6.0m long and weighing 4kg rest on supports p and q placed left and right 1.0 metre from each of the beam. Weights of mass 10kg and 8kg are placed near p and q respectively, on each end of the beam. Calculate the reaction at p and??

An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)

What is the angle of inclination of a mirrors in a periscope

If a substance cannot be physically separated into component parts, it is likely to be answers a mixture a pure substance an alloy a heterogeneous mixture