A father drags his daughter on a sled in a light packed snow. He exerted 102 N of force with an angle of 39 degrees to the horizontal. He dragged her for 410 m of distance. What is the amount of work (in joules) done?

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.