Questions
A How much work is done when a 145 g tomato is lifted 10.6 m ?...

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...

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...

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

What is the maximum charge on a capacitor in an RC circuit? As the capacitor in...

  1. What is the maximum charge on a capacitor in an RC circuit?
  2. As the capacitor in an RC circuit charged, what is the current as a function of time?Explain your answer physically.
  3. 1.5 V batteries are usually connected in series. Would the batteries last longer or shorter if they were connected in parallel instead?

In: Physics

Q1b.Briefly explain the following properties if flowcharts. i. Input/output ii. Finiteness iii. Definiteness iv. Efficiency v....

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...

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...

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

In: Other

An antiproton (same properties as a proton except that q=−e) is moving in the combined electric...

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...

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...

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