A person relaxing at the beach notices two boats anchored 13.6 meters apart. They bob up and down, returning to the same up position every 44.6 seconds. The boats rise a vertical distance of 4.8 meters between their lowest and their highest point.
When one is up the other is down. There are never any wave crests between the boats.
Determine the speed of the waves.

Haley rubs a cotton cloth along a plastic strip. the plastic strip becomes positively charged. why did this happen? a. the plastic strip gained protons from the cotton. b. the plastic strip lost protons to the cotton. c. the plastic strip gained electrons from the cotton. d. the plastic strip lost electrons to the cotton.

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue