How far does a roller coaster travel if it accelerates at 2.83 m/s2 from an initial velocity of 3.19 m/s for 12.0 s?

Identify the forces that contribute to the centripetal force on the object in each of the following examples: a. a bicyclist moving around a flat, circular track b. a bicycle moving around a flat, circular track c. a racecar turning a corner on a steeply banked curve

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?

Why should the wavelength scale of spectroscope be calibrated