PLEASE I NEED HELP WITH 6 and 8 I will love u sm

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

According to valence bond theory, which orbitals overlap in the formation of the bond in hf according to valence bond theory, which orbitals overlap in the formation of the bond in hf 2s on h and 2p on f 1s on h and 2s on f 1s on h and 1p on f 1s on h and 2p on f 1s on h and 3p on f