An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm², separated by a distance of 2.00 mm.

(a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates.
kv/m
(b) What is the surface charge density?
nC/m²
(c) What is the capacitance?
pF
(d) Find the charge on each plate.
pC

Topic: Research Methods

Question:

Impact of social media on teenagers;

Required;

Chapter One
1.Introduction
I. Statement of the problem
II. Objectives of the study
III.Research questions/Hypothesis
IV. Significance of the study
V. Scope of study
VI. Organisation of the study

Nb: please the solution should be as that of a reseach.

It should follow the standard research paper guidelines.

Thank you.

1. A block of mass m is sliding on a horizontal surface. The kinetic coefficient of friction between the block and the surface is µ_k. The drag force is linear with speed (F_D = −ℓv, where ℓ is a constant). The initial velocity of the block is v₀.

(e) Find x(t)

(f) Graph v(t)

(g) Graph x(t)

(h) Describe your solution in words.

i) Give an example of confinement effects on magnetic materials?

ii) Given a Keff of 1E-5 J m3 please determine the critical size that you expect to have the confinement effect at 300K.

iii) And if it is at 100K?

iv) How you experimentally can detect this confinement effect?

v) What is the main advantage of this effect for particle applications?

vi) Give examples of applications.

3rd Tax Case: Burton v Commissioner of Taxation [2019] FCAFC 141.

In providing your analysis, the following 5 points must be addressed:

1^st The arguments and Facts of the case.

2^nd What the taxpayer said.

3^rd What the main issue is.

4^th What the Commissioner’s argument was.

5^th What the Judges said.

PLEASE I NEED THIS ANSWER WITHIN AN HOUR

Consider the Potential V(r) =Vo (c/r) exp (-r/c) (where c is a constant) and a deutron of reduced mass m moving in this potential . (a) Using a trial wave function R(r) = exp (- d *r / c) (d is constant ) find the ground state energy if Vo= 1.35 (b) If one bound state energy is -2.2 find Vo

An audio amplfier drives a series RLC circuit consisting of an 8.0 Ω loudspeaker, a C = 42 × 10−10F capacitor, and a L = 60 × 10−6 H inductor. The amplifier output is voltage is 15.0 V at a frequency of f = 106 Hz. The current flowing in the circuit is given by

(a) 0.044 A (b) 1.875 A (c) 0.8 A (d) 12 A (e) None of the above.

You should be able to answer in 350 words. Give three reasons why health systems are important to attain the 'right to the highest attainable standard of health'? Use examples and explanations from the readings.

readings: https://www.nytimes.com/2015/03/10/health/ebola-stricken-countries-lagged-in-health-systems.html

video resource: https://www.youtube.com/watch?v=uB2EzlKcRIA

(Transient Current)
An RLC series circuit has a voltage source given by E(t) = 20sin(t) V, an inductor of 3 H, a resistor 6 Ω, and a capacitor of 1/3 F. Find the current I(t) in this circuit for t > 0 if I(0) = 2, I'(0) = 0. Find the moment of time when the transient current is equal to zero

A proton (charge 1:6 x 10^-19 C) is stationary at the point (2:0 mm; 0; 0) of a chosen (x; y; z)- coordinate system. An electron (charge ?1:6 10?19 C) travels with a speed v = 100 m/s along the z-axis. What is the magnetic force on the proton due to the passing electron?