can anyone help me with this please. i have the current and pf for branch 1 and 2 but cant figure out the total current, pf and angle. thanks

Wiy doeres rere okhn a pump whon working betwon the same pressure range?

Asteel wire of 2 mm diameter is fixed between two points located 2 m apart. the tensile force in the wire is 250n, if its density of steel is given by 7830 kg/m3 the fundamental frequency of vibration hz? ?

Plan an experiment to measure the surface tension of a liquid similar to water. if necessary, review the ncfmf video surface tension for ideas. which method would be most suitable for use in an undergraduate laboratory? what experimental precision could be expected?