When two objects of equal mass (m) are 5 meters apart, there is a force of gravity of one object on the other equal to 0.40 N. What is the mass of each object?

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

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car