19. What is the most likely outcome of increasing the number of slits per unit distance on a diffraction grating? a. lines become narrower b. distance between lines increases c. lines become thicker d. distance between lines decreases

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.