1. The radius of Earth is 6.40*10^ 3 km The moon is about 3.84*10^ 5 km away from Earth and has a diameter of 3475 km. The Pacific Ocean surface, whic can be considered a convex mirror, forms a virtual image of the moon What is the diameter of that image ?

True or false: the revolution of the earth creates day and night as it rotates around the sun

Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up