The force required to stretch a Hooke’s-law spring varies from 0 N to 76.4 N as we stretch
the spring by moving one end 14.6 cm from
its unstressed position.
Find the force constant of the spring.
Answer in units of N/m.

In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these