Which practice fits the definition of conservation?

using more of a mineral resource than needed

not using a necessary mineral resource at all

strip-mining a mineral without regard to the surface soil and vegetation above it

recycling cans that contain a material like aluminum

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.

Which of the following is an example of motion in two dimensions?

Acar travels 40m in 8 seconds find the car speed