What substances were found in the innermost regions (within about the inner 0. 3 au) of the solar system before planets began to form?.

Match the atomic particles with their characteristics. 1. made of two protons and two neutrons neutron 2. similar to an electron; positive charge neutrino 3. orbits nucleus; negative charge positron 4. bundle of energy; zero charge proton 5. found in nucleus; positive charge meson 6. very unstable; +, -, or zero charge gamma 7. found in nucleus; zero charge electron 8. negative particle; negative charge beta 9. atomic energy converted to mass alpha

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?