A brick with a mass of 4.0 kh is in motion on a horizontal surface. A force of 15N is needed to push this brick towards the west at a constant velocity Please help ASAP I have homework due tomorrow I need helppp :(

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.

Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves