A. 20 nm = 20×10-6 mm
B. 44mm = 44 × 10-6 Km
C. 5mm = 0.5 Cm
D. 15 cm2 = 15 × 10-4 m2
E. 2 cm3 = 2× 10 -6 m3
Derive the Gibbs-Thomson relation in the case of a cylindrical
nanowire .
2 34 (a) Td 110 nm (b) 2 d 55 nm (c) d 40 nm (d) d 30 nm e)
2 34 (a) Td 110 nm (b) 2 d 55 nm (c) d 40 nm (d) d 30 nm e)
Not yet word question A circular loop of wire with a radius of 15 cm lies in the yz plane and carries a current of 1.9 A. clockwise. It is placed in an external magnetic field of the form B = 6; mT. The magnitude and direction of the net torque are: Select one O a. 8058.20 E-3 Nm, -z direction O b. 8058.20 E-3 Nm, +z direction O c.0.81 E-3 Nm, uz direction d. 0.81 E-3 Nm, -z direction...
Question 1,d) (i,ii) please
b and c would be a nice addition x)
1) A peak observed at 1690 cm' in the mid-IR spectrum of quanine is assigned to the carbonyl stretching vibration. b) Predict the approximate position of the first overtone peak from this vibration (give your answer in cm), and comment on the intensity of this overtone peak compared to the fundamental at 1690 cm. (2 marks) c) Where would you expect to observe a peak due to...
please show working / explainations
Question 15 The relative reactivity of molecules A-D below towards CHsS in acetone is: a) D2B>A>C b) A>B>D>C c) C A D>B d) B>A>C-D e) none of the above
Question 15 The relative reactivity of molecules A-D below towards CHsS in acetone is: a) D2B>A>C b) A>B>D>C c) C A D>B d) B>A>C-D e) none of the above
D Question 3 17 pts A 20-turn rectangular coil with sides I = 30 cm ad w = 10cm is placed in the y-z plane as shown in the figure below. What is the torque acting on the coil if the coil carries current of I-10 A and it is placed inside a magnetic field with magnetic flux density given by: B = 36-9+2) (1) This problem is similar to Example 3 section in the Magnetostatics section in the Example...
15) A hole in a brass plate has a diameter of 1.200 cm at 20°C. What is the diameter of the 15) hole when the plate is heated to 220°C? The coefficient of linear thermal expansion for brass is 19 × 10-6 K-1 A) 1.195 cmm B) 1.210 cnm C) 1.200 cm D) 1.205 cm
The fo (frequency observed) for categories A through E were as follows: A=30, B=20, C=20, D=15, and E=15. Calculate the chi square.
O c 646 nm o d. 103 nm O e 155 nmm QUESTION 7 Which of the following transitions (in a hydrogen atom) represent emission of the longest wavelength photon n 5 to n- 2 d. ESTION 8 hat are the possible values of n and mi for an electron in a 4d orbital?
circular loop of wire with a radius of 15 cm lies in the yz plane and carries a current of 1.9 A clockwise. It is placed in an external magnetic field of the form B = 6; T. x The magnitude and direction of the net torque are: Select one O a. 0.81 E-3 Nm, +z direction O b. 8058.20 E-3 Nm, -z direction O c.0.81 E-3 Nm, +x direction d. 8058.20 E-3 Nm, +z direction e. 0.81 E-3 Nm,...
Question-5 (20%): 1.6 m M=15 Nm k = 60 N/m The 20-kg rod is released from rest when 0 = 0°.In the shown direction a moment of 15 Nm is applied. Determine the angular velocity of the rod when 0 = 90'. The unstretched length of the spring is 0.25 m. Note that 1. m1