Σ(E-E%)cm) (43 E)cm (VV) = VHV + EVV). .0 m m#n If= = n, the left side is zero, and we recover Equation 7.9; ifl #n, we get (Ei - E) c") = -(vi|H|VO). n
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Could you explain what happened to the left hand side of the equation? I understand that if l is not equal n then the second term of right hand side is zero, but i don't understand what happened to the sum to the left.
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- Question 6: The volume of a box with sides of length a,b and c is V = abc . The surface area of the same box is S = 2(ab+bc+ ac). Derive an expression for the change in volume associated with changing the length a, while holding both S and length b constant. (Hint: The algebra here becomes much simpler than it might first appear through the judicious use of partial derivative relationships.)In the answer, it gives a formula f-ff=m(0) and afterwards simplies into 120 - ff = 0 and further into ff=120N. My question is how do you not have to divide by 0 to finish the equation if that makes sense. To simply further why are we able to ignore the m(0) portion?Using your values for 7, calculate the average period Ibar (I) and its standard error. How does the error on the average period /bar (T) compares to the errors on the periods, I? What can you do to reduce the uncertainty on /bar (T)? What can you do to reduce the uncertainty on 7 ? Peried Trial T AT 4 141 $ 10.69 +α-0.5 2 10.60 + or -0.5 2 10.40 +α-0.5 10.43 +α-0.5 S 10.37 + or -0.5 Using your values for T, calculate the average period 7 and its standard error How does the error on the garage period compares to the errors on the periods, 7? What can you do to reduce the uncertainty on 7? What can you do to reduce the uncertainty on T7
- I need help with knowing what to cirlce. The " increases decreases" part.A hot tub with a surface area of 28 ft2 is filled with water to a depth of 29 in . Hint: volume is calculated as area × height (A × h). A) What is the volume of water in the tub, in liters? Express your answer to two significant figures and include the appropriate units. B) How many kilojoules are needed to heat the water from 59∘F to 103 ∘F? Express your answer to two significant figures and include the appropriate units. C) If the hot-tub heater provides 5900 kJ/min, how long, in hours, will it take to heat the water in the hot tub from 59∘F to 103∘F? Express your answer to two significant figures and include the appropriate units.An ant is crawling along a straight wire, which we shall call the z axis, from A to B to C to D (which overlaps A), as shown in the figure below. (Figure 1) O is the origin. Suppose you take measurements and find that AB is 44 cm, BC is 20 cm,and AO is 4 cm
- The temperature at a point (x, y) is T(x, y), measured in degrees Celsius. A bug crawis so that its position after t seconds is given by where x and y are measured in centimeters. The temperature function satisfles T3, 6) 2 and T(3, 6) -7. How fast is the temperature rising on the bug's path after 2 seconds? (Round your answer to two decimal places.) C/s Need Help? Read Watch Master tHey, I'm really so sorry for leaving this out, but I completely forgot to tell you that I need the answer in the amount of years it takes. That's totally on me, I apologize. Also, I can't tell if the dot between the two 2s in the answer is a multiplication symbol or a decimal point.