A bungee cord stretches 25 meters and has a spring constant of 140 N/m. How much energy is stored in the bungee cord

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity