21000 km/hr how far will it travel in 5 hours

Blank liquids and gases exert a buoyant force on objects placed in them

Select the three ways that the parallel-plate capacitor differs from a car battery.

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?