A How much work is done when a 145 g tomato is lifted 10.6 m ? The tomato is dropped. What is the velocity, v, of the tomato when it hits the ground? Assume 82.8 % of the work done in Part A is transferred to kinetic energy, E, by the time the tomato hits the ground.
In: Chemistry
For a silicon one-sided abrupt junction with NA = 2 × 10^19 cm–3 and ND =10^18 cm–3, calculate the junction capacitance at zero bias and a reverse bias of 4 V (T = 300 K). Draw the flat energy band diagram
In: Physics
In a fuel injection system small droplets are formed as the liquid jet breaks up. Assume the droplet diameter, d, is a function of the liquid density, ρ, viscosity, µ, surface tension, ϒ, the jet velocity, V, and the jet diameter D. Derive this relationship in dimensionless form.
In: Other
In: Physics
Q1b.Briefly explain the following properties if flowcharts. i. Input/output ii. Finiteness iii. Definiteness iv. Efficiency v. Generality 5 Marks
Q1c. Briefly outline the purpose five symbols used in flowcharts designing with respect to software design and modelling. 5 Marks
In: Computer Science
Calculate the masses of NaCl (58.44 g/mol) and KCl (74.55 g/mol) that are required to prepare 500.00 mL of a standard solution that contains N a + Na+ and K + K+ present at 540.0 ppm w/v.
mass of NaCl ____
mass of KCl _____
please show work.
In: Chemistry
In your own words, explain the functions of the following most frequently used unit operations in chemical engineering processes. (i) dryer, (ii) filter, (iii) distillation columns, (iv) absorber, (v) stripper, (vii) crystallizer, (viii) compressor, (ix) valve, (x) hydrocyclone
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An antiproton (same properties as a proton except that q=−e) is moving in the combined electric and magnetic fields of the figure.(Figure 1) Assume that B = 2.3 T and E = 800 V/m . What is the magnitude of the antiproton's acceleration at this instant? What is the direction of the antiproton's acceleration at this instant?
In: Physics
Using the equation below answer the following:
dq = (3nR/2)dT + (nRT/V)dV
a. Write the abstract form of this total differential.
b. The way it is written, q is a function of ____ and ______.
c. Detetermine whether the differential is exact.
d. Determine whether q is a state function.
In: Chemistry
Determine the cell potential and the equilibrium concentrations of the following concentration cell. Assume both cells have the same volume. Please see Concentration Cell for assistance. Cu | Cu2+ (0.013 M) || Cu2+ (2.3 M) | Cu
E V
anode M
cathode M
In: Chemistry