As3 1. You are on a ship that is traveling at a constant speed of 20 knots. The compass heading of the ship is 65° (approximately ENE). There is a cross-current of 2 knots that has a heading of 320° and a cross-wind of 12 knots with a heading of 140°. a. Write vector expressions for the velocities of the ship, current, and wind in Cartesian coordinates. b. Ignoring the cross-wind, what is the true velocity and heading of the ship? c. You observe smoke coming from the smokestack. What is the magnitude and direction of the smoke as it appears to you as a passenger on the ship?

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.