Consider the electric force between a pair of charged particles a certain distance apart. By Coulomb's Law: If, the distance between the particles is tripled and each charge is doubled, the force becomes a. 3/4 times b. 4/3 times c. 4/9 times d. 9/4 times

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.