What would be the equivalent resistance R for the circuit below? Question 19 options: 30.75 Ω 45.5 Ω 77.5 Ω 150.5 Ω 240 Ω

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 density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more