The mass of one water drop is 0.0008kg and the gravitational field strength is 10n/kg what is its weight

Which term best describes the phrase “something that happens”?

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

What is a carrier wave and how does it affect what you hear on the radio