A 0.5 kg object is moving in a circular path while being swung with a radius of 0.75 m. Attached to the object, is a 2 kg object hanging on a string below. At what speed must the .5 kg object travel in order to keep the 2 kg object in place?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

Which of the following statement is false ? a.batteries should never be stored on metal trays or outside in the elements)b, battery acid cannot be neutralized)c.do not stack batteries on top of each other)d.never put a damaged battery in a dumpster. i