Which property of physical changes explains why matter is conserved in a physical change? the arrangements of particles do not change, and the bonds between atoms do not break. mass, not energy, changes in a physical change. energy and mass change in a physical change. the bonds between atoms do not break; it is only the arrangement that changes.

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

Abeverage can is made of 3004-h19 aluminum alloy (elastic modulus 69 gpa, tensile yield strength 285 mpa, density 2.72 g/cm^3). the dimensions on the can are approximated as a thin-walled cylinder with a height of 4.83 inches, diameter of 2.60 inches. empty the can has a mass of 14.2 g. determine: a. the wall thickness of the cylinder b. assuming a pinned-pinned condition what is the critical load? c. assuming a fixed-fixed condition what is the critical load?

How long will it take a car traveling of a constant speed of 45m/s to cover the distance of a 2.5km?