Aspring that has a spring constant of 1400 n/m is stretched to a length of 2.5 m. if the normal length of the spring is 1.0 m, how much elastic potential energy is stored in the spring? 700 j 1050 j 1575 j 4375 j

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?

Why should the wavelength scale of spectroscope be calibrated

Which of the following statements are true for an isothermal process? check all that apply. - during an isothermal process, the work done by the gas equals the heat added to the gas. - during an isothermal process, the internal energy of the system changes. - an isothermal process is carried out at constant temperature. - an isothermal process is carried out at constant pressure. - an isothermal process is carried out at constant volume.