An engine raises 120kg of water through a height of 40m in 30s. What is the power of the engine take gravity to be = 10m/s.

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin

In the first law of thermodynamics, triangle e=q-w, what does q stand for