What do pressure cookers do to the boiling point of water?

Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block

What ia the energy of an object because of its potential and kinetic energies