When time was at 0 seconds, this graph describes the motion of a car that was going 10 meters per second. how fast is the car likely going after time passes? a) 0 meters per second. b) 5 meters per second. c) 10 meters per second. d) 15 meters per second.

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

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

If element x has 99 protons how many electrons does it have