Select the correct answer. A cruise ship makes its way from one island to another. The ship is in motion compared with which reference point? OA the passengers on the ship ОВ. . the captain of the ship Ос. . a lighthouse on a nearby island OD. the cargo inside the hull of the ship

Aplayground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. a 63.0-kg child, initially at the top, slides all the way down to the bottom of the slide. (a) choosing the bottom of the slide as the reference configuration, what is the system's potential energy when the child is at the top and at the bottom of the slide? what is the change in potential energy as the child slides from the top to the bottom of the slide? (include the sign of the value in your answer.)