A water solution containing 15% acetic acid is added to a water solution containing 30% acetic acid flowing at the rate 35 kg/min. The product P of the combination leaves at the rate of 100 kg/min . Find this process.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?