Aheavy crate applies of 1500 n on a 25-m^2 piston . the smaller piston is 1/30 the size of the larger one . what force is needed to lif the crate

The force needed to lift the crate is 50 N

Explanation:

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.