The sun appears at an angle of 48.4° above the horizontal as viewed by a dolphin swimming underwater. what angle does the sunlight striking the water actually make with the horizon? (assume nwater = 1.333. enter an answer between 0° and 90°.)

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Amarble, a bowling ball, a basketball, and a baseball are rolling across the floor at 10 m/s. which one has the greatest kinetic energy? the marble the bowling ball the basketball the baseball

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above