Mathematics, 18.07.2019 04:30 reimanjr9186
1. how does multiplying a vector value of 2π change the vector? a. the vector will not change direction but will decrease in magnitude. b. the vector will change direction and decrease in magnitude. c. the vector will not change direction but will increase in magnitude. d. the vector will change direction and increase in magnitude. 2. a 5 lb. force acting in the direction of (5,-3) moves an object just over 12 ft. from point (0,6) to (7,-4). find the work done to move the object to the nearest foot-pound. a. 11 ft. -lbs. b. 34 ft. -lbs. c. 56 ft. -lbs. d. 61 ft. -lbs. 3. find the component form of - u - v given that u = (-5,6) and v = (7,-3). a. (12,9) b. (2,3) c. (-2,-3) d. (-12,-9) 4. for v = -4i - 5j, find the vector u in the direction of v, and write your answer as a linear combination of the standard unit vectors i and j. a. b. c. d. 5. find u · v, if u = 14j and v = i + 4j. a. 56 b. -56 c. (1,56) d. (0,56)
Answers: 1
Mathematics, 21.06.2019 21:50
Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.
Answers: 3
Mathematics, 21.06.2019 21:50
6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution
Answers: 1
1. how does multiplying a vector value of 2π change the vector? a. the vector will not change direc...
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