Two custodians are trying to move a heavy crate. One pushes with a force A with a magnitude of 545 Newtons directed due west. The second pushes with a force of 380 Newtons directed due north. Calculate the magnitude and direction of the resultant
force.

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)