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What is wrong with the following expressions? How can you correct them?
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- A B с Supply the logic equation for the following numbered locations. Location 1: Location 2: Location 3: & Location 4: Notes: Use the following symbols: NOT for example AND for example OR for example XOR for example NOT X X AND Y X OR Y X XOR Y is X' is XY is X+Y is X(+)Y FSuppose that Å = 2i + j, B= i– 4j + k, and = j+k. ... What is Á· (B x Č), A A. -2 В) В. -2 k с) с.-11 D) D. -11 k E) none of the choicesIn the figure, we must apply a force of magnitude 83.0 N to hold the block stationary at x = -3.00 cm. From that position, we then slowly move the block so that our force does +6.00 J of work on the spring-block system; the block is then again stationary. What are the block's positions? ((a) positive and (b) negative) Block F = 0 attached to spring x positive F, negative (a) x negative F, positive
- ipa Suppose (p | ) = e¯. What is (x | b) =? V2nh 8 (x – x') 2nh Vasi 8 (x – x') 2πh 8 (x – x') O OLet: A = 210 units @ 21.6 degrees B = 156 units @ 31.4 degrees If C'= A + B Find C Select one: a. 364.6915 units 205.7753 degrees b. 364.6915 units 25.7753 degrees c. 364.6915 units 115.7753 degrees d. 132999.9255 units 64.2247 degreesDE-5 The Tokyo-Osaka express is moving at 90.0M/S to the left along its track as shown in the figure below. The frequency of the train whistle is f1,000HZ. Find the frequency heard by a listener at point O when the listener hears the sound that was emitted by the whistle when it was at: a) point a (shown in the figure below), b) point b (shown in the figure below), c) point c (shown in the figure below). d) When the whistle sound from point b reaches the observer at point 0, where is the whistle on line bc? 150m 150m 90.0m/s 100m 0 (listener)
- Show that, when SI units for 0 and 0 are entered, the units given by the right-hand side of the equation in the problem above are m/s.Perform the following arithmetic operations, keeping the correct number of significant figures in your answer. a. The product 56.2 0.154 b. The sum 9.8 + 43.4 + 124 c. The quotient 81.340/9. A certain quantity, X, can be determined using X = AB – 2C. If A = 20.23 units, B = 11.000 units, and C = 0.095 units, express X with the proper number of significant figures and decimal places. * A. 222.34 B. 222.31 C. 222.3 D. 222 E. 200
- For a short time, the speed v of a car, in m / s, is given by v at + bt, where t is the time in seconds. The units of a and b are, respectively, 3 a) m/s^2; m/s^3 b) m/s^4; m/s^5 c) s^3/m; s^4/m d) m.s^2; m.s^4 e) m/s^3; m/s^4b) Draw direction vectors in unit cells for the following cubic directions: i) (241) ii) (3 I 3) iii) (6 4 I) iv) (0.2.3)20. V How many significant figures are in the following numbers? (a) 78.9 + 0.2 (b) 3.788 × 10 (c) 2.46 x 10-6 (d) 0.005 3
