Questions asked
4. Darwin made the sketch (next page) and wrote "I think" on his notebook. Describe what thoughts were conveyed in his sketch (4 marks). I think 36 Cau must be the I en may living. Do do this it has morg jeniten then ohms bo as nno D B C YA
Which compound below contains an ester functional group? ? ?? H-C-C-O-H 1 CH$_3$CHOCH$_2$CH$_3$ CH$_3$ 10 ? H-C-O-C-H 1 H O= CH$_3$-CH-C-OH CH$_3$
Question 1. Write and solve the branch current equation using the mesh current method in the circuit shown in the figure below. *mesh analysis 5 ? 20 V +- I? = 2,11 I? 4 ? I? 10 V +- I? 3 ? I? 5 ? 4 ?
MWhat is your work experience on how meaningful, choice, competence, and progress shape your attitude and sense of engagement in the work setting
In the context of the scenario, evaluate whether the principle of Competence or the principle of Professional Development should be prioritised. Justify your decision based on the potential impacts on the involved stakeholders.
A 0.0500-kg ice cube at -30.0°C is placed in 0.350 kg of 35.0°C water in a very well-insulated container. What is the final temperature in degrees Celsius?
1. Air is flowing at a velocity of 2m/s in a 0.08m diameter and 7m long tube. The tube is subjected to uniform heat flux from all surfaces. State the assumptions and determine the convection heat transfer coefficient. Use fluid properties at 25°C. (5+25 points)
Determine the centroid \(\bar{x}, \bar{y}\) of the shaded area. Figure not to scale. Remember to round your answers to four significant digits. y (cm) 1.75 T 0.75 ? x (cm) 44° S W 3 x = ____ cm y = ____ cm
Consider a buffer containing 0.0150 mol of the acid HA and 0.0200 mol of its conjugate base A? in 0.5000 L of aqueous solution. What is the pH after 0.0075 mol of NaOH is added to this solution? Assume adding NaOH does not change the volume. The $K_a$ of the acid HA is $2.22 \times 10^{-6}$. Answer to at least two decimal places (to at least the hundredths place).
3) What is the current flowing in the circuit as denoted in Figure 2? (A) 2 mA (B) - 2 mA (C) 20 ?A (D) - 20 ?A A R$_2$ B R$_3$ C 27 k$\Omega$ 56 k$\Omega$ R$_1$ 47 k$\Omega$ R$_4$ 20 k$\Omega$ I 9 V 12 V Figure 2 4) What is the potential difference between nodes A and C ($V_{AC}$) in Figure 2? (A) 11.6 V (B) - 9.94 V (C) -1.66 V (D) 1.66 V 3 5) Which of the following diagrams shows the correct connections for the measuring instruments to measure the current and voltage of the load? (A) V (B) A $\uparrow$ A $\uparrow$ V Source Source (C) (D) A V $\uparrow$ A V $\uparrow$ Source Source LOAD 6) If a 4.7 $\mu$F capacitor and a 3.3 $\mu$F capacitor are in series with a 16 $V_{dc}$ supply, what is the voltage across the 4.7 $\mu$F capacitor? (A) 3.3 V (B) 4.7 V (C) 6.6 V (D) 9.4 V