Find the center of mass of the region bounded by y = x and y = x2. Hint: We have talked about center of mass in one direction here you area asked for the center of mass of the 2-dimensional region. Find the center of mass along the x-axis, as well as the y-axis?

An ideal transformer has 60 turns in its primary coil and 360 turns in its secondary coil. if the input rms voltage for the 60-turn coil is 120 v, what is the output rms voltage of the secondary coil?

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.