The 500 kg load on the hydraulic lift shown in the figure is to be raised by pouring oil (ρ = 780 kg/m3
) into a thin tube with 1 cm diameter. Determine how high should be
order to begin to raise the weight.

Answer asap! the weather patterns on earth are shown in this image. explain why there are convection currents; why there are hotter and colder parts of earth.

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.