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- |The Electric potential on the axis of a uniformly charged ring of radius R, at a distance x from its center (x < R) is kQ given by: V = Select one: True O False1:54 O KB/S ul . 52 %3D s the the g With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 16 mm. With micrometer calipers, you measure the width of the rectangle to be 8.98 mm. Use the correct number of significant figures: What is (a) the area of the rectangle; (b) the ratio of the rectangle's width to its length; (c) the perimeter of the rectangle; (d) the difference between the length and the width; and (e) the ratio of the length to the width? Your answer9.) v-(A x ) = B - (vxA) ~ A.(oxp) 10.) v* (A x s) = (3. v)A - (A.) B + A (V•B) - B (v. A) %3D
- 3. Suppose you measure three independent variables, x = 12±2 y = 9+1 0 = (40 ±3)° Based on which you calculate the following quantity, x +2 x + y(cos 40) What would be your answer for q and uncertainty?A farmer wants to fence off his four-sided plot of flat land. He measures the first three sides, shown as A, B, and C in Figure 3.62, and then correctly calculates the length and orientation of the fourth side D. What is his result?Charge configunatlon under is two Stationey chacger 92=72 ia C 9i=-306 And Bis nidpoint the charges. be Hween 9) Determine the electric Do ten b's I V at points A ond B. b) Acharge Q=-91is poritioned at A. Caleulate the amocht of wolk to move it to B.
- Let A = 2ax + 5ay + az, b=ax +3az, and C= 4ax-6ay+10az (a). Determine A-B+C (b). A • (B x C) (c). Calculate the angle between A and B3 Using the method of separation of symbols, show that n(n-1) 2 Aux-n=ux-nU x−1 + -Ux-2 + ··· + (−1)" ux-n" ...•if A=(3u3 - 2u2) I + 5 cos uj-4 sin uk dA find @ d'A duz du
- Given the function =3xyz?î + 2xy³j – x²yzk Evaluate the divergence at the point (1, -2, 3) а. 0 b. -64 c. -3î - 48ĵ + 43k d. -281. Convert the following and show your solution: a. 55» am mg dm3 b. 24 in? » um² с. 5'10" » т slug d. 350 pg in nm3 e. 740 2 ya? ag mm?then which The figure below consists of 4 squares. If AB = p and AH of the following is/are true? %3D O BC = p (ii) GE = 2p (i) HD = 2q (iv) BD = p + q G F E H D A В C Only (ii) and (iv) Only (i) and (ii) All of them Only (iv)