cuando un avión llega en el aeropuerto para aterrizar acciona todos los mecanismo de frenada, y genera una desaceleración de 30 m/s2, con la cual cosa recorre 30m hasta parar. Con cual velocidad toca la pista? Cuanto tiempo tarda en pararse?

Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?