Is the number of protons and electrons the same for a neutral atom of a given element?

A transverse wave, frequency 15.0 Hz, travels along a string. Distance between a crest and an adjacent trough is 3.50m. What is its wavelength?

Straight-in spaces can leave you a safer out if

Quickly spinning the handle of a hand generator, Kristina is able to light three bulbs in a circuit. When she spins the generator slowly, the bulbs are very dim.

As a crate slides down an inclined rough surface, its total mechanical energy A) increases, B) might decrease or increase depending on size of slope angle, C) decreases, D) might increase or decrease depending on the friction coefficient is, or E)

Who is credited with creating the first periodic table?

How does Newton's second law apply to an "Egg Drop" experiment?

A 4.0-n puck is traveling at 3.0 m/s. it strikes an 8.0-n puck, which is stationary. the two pucks stick together. their common final speed is:

What career has to do with one of these listed ... fossil fuels, nuclear energy, biomass, hydropower, solar energy, geothermal energy, or wind energy.

An object is suspended from the ceiling with two wires that make an angle of 40° with the ceiling. The weight of the body is 150 N. What is the tension in each wire? 41.6 newtons 82.3 newtons 150 newtons 117 newtons

What is the value of 9682 when rounded to three significant figures