12-10-08

It’s maybe windy, chilly, and rainy outside but it was an exciting and fun time during physic class. Today, we were continuing working on the vectors, and learning how to work with them in subtracts forms. But first, the class had to go through several activities. So, at first, we had to work on the daily question and turned it in for grade. The question was: “A motorboat is traveling at 35 m/s in the 40 degree direction. The boat enters a current moving at 15 m/s in the 270 degree direction, which provides it with an additional velocity. What is the boat’s resultant velocity?” The answer and the works are shown in the picture below. The homework that was due today was on page 17 number 1, 2, and 3. The answer for number 1 was 7 km, and 5km @38 degree. For number 2 it is 3200 km, and 2280 km @ 52.1 degree. Number 3 used the same process to solve the problem too. The answer is 62 m and 18.1 m @ 6.3 degree. Finally, we get to the subtracting vectors. It is really easy. It just the same as drawing the normal vector, but instead, u have to flip the arrow that is being subtract, and draw it the opposite way. All the direction is on page 18. Now we had learned the steps, it is time to take on the problems. If those problems are not done in class, it is due the next day