Answer Happy

1. Vector A has a magnitude of 6.00 units, vector B has a magnitude of 7.00 units. What is A. B if the angle between the directions of A and B is 50 degrees? 2. A sailboat sets out from the U.S. side of Lake Erie for a point on the Canadian side, 90.0 km due north. The sailor, however, ends up 50.0 km due east of the starting point. (a) How far and (b) in what direction must the sailor now sail to reach the original destination?
nation? e figure below gives the acceleration of a 5.00 kg particle as an applied force Fa moves it from rest along, an x axis x=0 to x 9.0 m. The scale of the figure's vertical axis is set by a-15.0 m/s2. How much work has the force done on article when the particle reaches (a) x 3.0 m, (b) x 6.0 m, and (c) x 8.0 m? What is the partide's speed and ion of travel when it reaches (d) x= 3.0 m.(e) x 6.0 m, and (f)x=8.0 m?