Homework 1 (due: January 25)
1. How long does it take light to travel 10000 m in a material with index of refraction
1.4?
2. A traveling wave is described by the following equation E(x,t) = 4.5 sin(3.5 x - 1.5 t).
Find (a) the period, (b) the wavelength,
import java.util.*;
class Palindrome
cfw_
public static void main(String args[])
cfw_
String original, reverse = ";
Scanner in = new Scanner(System.in);
System.out.println("Please Enter a String:");
original = in.nextLine();
int length = original.length()
NAME
PART A. (5% each) Each question is worth 5%. In the space provided, to the left of the question
number, write the letter corresponding to the best answer to the question.
_E_Al) The largest number of beats per second will be heard from which pair o
A
Problem 1
The sign of the acceleration ax (1) response for the
x(t) graph to the right is:
(a) Negative. (c) Zero.
(b) Positive. (d) Cant tell from
this graph.
B
Problem 1
The sign of the acceleration ax (1) response for the
x0) graph to the right is:
Energy
I We can now expand our idea of energy
to include more forms:
1. Coherent energy of motion (kinetic)
of the center of mass of an object: 1/2 W
2. Coherent energy of location relative to other
objects (potential) of the center of mass.
3. Incoher
import java.util.Scanner;
public class Lab2 cfw_
public static void main(String [] args) cfw_
Scanner in = new Scanner(System.in);
System.out.print("Please input the String:");
String word=in.nextLine();
if(javaidentifier(word)cfw_
System.out.println("Thi
[1.] This problem has ve multiple choice questions. Circle the best answers.
[1A.] A uniform density sphere has a moment of inertia of I = gMRZ. A second sphere is
composed of the same uniform density material but it has twice the radius. What is the
rati