A box slides down a frictionless ramp that is 12 meters high. If it starts from rest, what is its speed at the bottom?

21.7 m/s
18.8 m/s
15.3 m/s
12.5 m/s

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

Ineed the answer to question 1 , i’m desperate