um ônibus andou 3 horas e 20 minutos a uma velocidade média de 85 km/h . Após uma parada de 20 minutos , reiniciou a viagem , andando 4 horas e 15 minutos a 90km/h

An electron and a proton have the same kinetic energy upon entering a region of constant magnetic field and their velocity vectors are perpendicular to the magnetic field. suppose the magnetic field is strong enough to allow the particles to circle in the field. note: you'll need to look up the masses for an electron and proton. 1) what is the ratio of the radii of their circular paths rp/re?

Does anyone have the answers to online physics course plato course physics, semester a v3.0

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?