Monochromatic light (2 = 632.8 nm) from a helium-neon laser shines at a right angle onto the surface of a diffraction grating tha
contains 531 001 lines/m. Find the angles at which one would observe the first-order and second-order maxima.
a. 6. = 19.639; 62 = 39.26°
c. 6) = 21.10°; 6: = 42.20°
b. 61 = 19.63°; 62 = 42.20°
d. 61 = 33.60°; 62 = 67.200

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom

What is the weight of a 8-kg substance in n, kn, kg·m/s2, kgf, lbm·ft/s2, and lbf?

The force it would take to accelerate an 900-kg car at the rate of 6m/s2