A particle moving with simple harmonic motion of 0.20 m amplitude has a maximum speed of 3.14 m/s. What is the frequency of the particle?​

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

I’ve been stuck on this for a while