Apiece of iron is heated and then cooled by dropping it in water. the heat lost by the piece would be higher if

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight