Un rayo de luz que se propaga en el aire
entra en el agua con un ángulo de
incidencia de 45°. Si el indice de
refracción del agua es 1.33. Cuál es el
ángulo de refracción

A) 45°
B) 40°
C) 32°
D) 30°

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?

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

What object a collides with object b and bounces back its final momentum is?