Megawatt and kilowatt
for example it cost em $60 per Megawatt so what is the cost of kilowatt?

Positrons are spontaneously emitted from the nuclei of

The substances that are necessary for producing of certain hormones and that store and transport vitamins

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?