i am not racis or nun but like why do whit ppl think their black like you uesed us as your slaves and shii but like now you wanna be just like us i don't understand

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?

Why protons do not repal in the nucleus