when an electron travels at a speed of 1.00 x 10^3 m/s it has a wavelength of 727 nm. what would be the wavelength of hydrogen molecule when it travels with the same speed

Why do different substances have diffrent properties

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:

When the acceleration of a mass on a spring is zero, the velocity is at a (fill in the blank) . when the velocity of a mass on a spring is zero, the acceleration is at a (fill in the blank) .