(a) Does it make sense to say that a vector is negative? Why?(b) Does it make sense to say that one vector is the negative of another?Why? Does your answer here contradict what you said in part (a)?
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(a) Does it make sense to say that a vector is negative? Why?
(b) Does it make sense to say that one vector is the negative of another?
Why? Does your answer here contradict what you said in part (a)?
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- In the next sets, you are given the magnitude and one component. There is an ambiguity in determining the vector, because you can only determine the absolute value of the other component and not its sign; therefore, there are two possibilities. In these tables, you must enter the absolute value of the component and provide two angles for the vector, the first one assuming the other component is positive and the other assuming the component is negative. You must also provide two angles for the antiparallel vector in the same order. Set Set 5a 5b 6a 6b Ax |Axl 32 -26 Ayl Ay SENECIENTE 42 -21 Magnitude of A 62 62 Magnitude of A 72 64 Angle of A Angle of A 0 0 (pos A) (neg Ay) (pos Ay) (neg Ay) (pos A) (neg Ax) (pos A) (neg Ax) Angle of -A Angle of -A 0 0 (pos Ay) (neg A,) (pos Ay) (neg Ay) (pos A) (neg Ax) (pos A) (neg A₂)Given vector A=2i-3j and vector B = 2i -4j. If vector C = A -2*B then C equals ..Vector A = 53.0 cm is at an angle of 270° from the horizontal, and vector B = 82.0 cm is at angle 0. (a) What is |A + BỊ (in cm) as a function of 0? (Use the following as necessary: 0. Do not include units in your answer.) JA + B| = cm (b) Using the result from part (a), for what value of e (in degrees) does |A + B| take on its maximum value? What is this maximum value (in cm)? cm (c) Using the result from part (a), for what value of e (in degrees) does |A + B| take on its minimum value? What is this minimum value (in cm)? cm (d) What If? How would your answers to parts (a)-(c) change if B was now subtracted from A and the magnitude of A - B| was evaluated as a function of 0? (Enter the magnitude as a function of e in cm. Do not include units in your answer. Enter the maximum and minimum values in cm.) A - B = cm Maximum value cm Minimum value cm
- I'm thinking it is due east and 310 newtons for the first part. Due to adding forces together, the second part being 140 newtons going east showing the additional force. Am I thinking about this the wrong way? This is a practice problem.Suppose the 50 turn coil in the figure below lies in the plane of the page and originally has an area of 0.230 m². It is stretched to have no area in 0.100 s. X Bin XBin X V What is the direction? clockwise X counterclockwise X X What is the magnitude (in V) of the average value of the induced emf if the uniform magnetic field points into the page and has a strength of 1.75 T? X X 192 XVector A lies in quadrant 2 of the xy-plane. Vector B lies in quadrant 1 of the xy-plane. In what direction does the vector A x B point? K, -k, j or -j And why?
- An electron's position is given by r=(3ti+4t2j+2k) with t in seconds and r in meters. A)Determine the electron's velocity v(t) in unit vector notation. B)What is the magnitude of v(t) at t=2 s? C)What is the angle between v(t) and the unit vector ı ?I just need the answer to AQuestion: True or False. Why? A vector space must contain at least two vectors. My Comment: I'm confused why this is a question because I believe it to be False. If I draw one vector on a graph with the coordinates (3,5), it is taking up a vector space on an xy coordinate system. Is that incorrect?