Write a position vector r from point O to point A. *
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- Hiker Harry walks 4 km east then 7 km 25o north of west. What is the magnitude and direction of Harry’s position after his hike as measured from his starting point? Give the angle measured relative to east. For example 90° means directly north.Q #No 02: We can use the calculus of variations to solve a classic problem in the history of physics the branchistochrome.Consider a particle moving in a constant force field starting at rest from some point (x1,y1) to some lower point (x2,y2).Find the path that allows the particle to accomplish the transit in the least possible time.You walk 20m 40 degrees south of west, then walk 12m 20 degrees east of south, how many degrees south of west is the line representing displacement?
- What acceleration must affect an object so that it can travel at 16.5 m/s in a circular path of circumference 61.5 m? (Units: ms2.) Please write only with 1 decimal place.An airplane flies 200 km due west from city A to city B and then 275 km in the direction of 28.0° north of west from city B to city C. (a) In straight-line distance, how far is city C from city A? 459.23 km is correct (b) Relative to city A, in what direction is city C?The centroid of the T-section shown is 2.69 inches above the base. What should be the value of b to satisfy this condition? 1" 8" 1" - b Round off to 2 decimal places Answer in inches