not too sure if this is the right subject or not because they didn’t have the name of my class on here, but i’m deeply in need with some help on this. i been stuck on this for 15 mins and get get anything. this is my first year in science. maybe just help me with #1 and i can try #2 on my own!

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?