When a 100g mass is hung on the end of a spring, the spring extends by 2.2cm. The toy has a mass of 75g. What would happen if joined the two springs end to end, what would be the extension of the toy? What would be the new elastic potential energy?

Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine