A boy standing on the bridge kicks a stone into the water below. He kicks the stone with a horizontal velocity of 4.41 m/s. It lands in the water 8.94 m away from the bridge. How high is the bridge?

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.