What is weight in newton’s, of a 50.-kg person on earth

How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?

Aproper cool-down routine does which of the following? a). motivates you for your next workout b). the body adjust back to a resting state c). leaves you feeling worn-out d). strengthens muscles

What is the electric potential at a distance of 1.2 m from a 7.5 µc point charge? 5.6 × 104 v 8.1 × 104 v 5.6 × 1010 v 8.1 × 1010 v