two carts connected by a .05m spring hot a wall, compressing the spring to .02m. The spring constant k is 100 N/m. What is the elastic potential energy stored for the spring's compression?

Explain teen pregnancy from a sociological perspective.

Asample of the mineral calcite has a volume of 15 cm³ and a mass of 40.5 g. what is the density of the calcite? a. 0.37 g/cm³ b. 2.7 g/cm³ c. 55.5 g/cm³ d. 607.5 g/cm³

Design a system with the following state changes: this is a sequential circuit with three flip-flops. the state sequence is changed with a clock as in the order of, 111, 010, 100,110, 001, 011, 101, 000, 111 and repeat. use jk flip-flops.