Engineering, 30.11.2019 03:31 alexabessin
Note: the answers to the following questions should be typed in the block of comments in the assignemnt7.java file. make sure they're commented out (green). type them neatly and make them easy to read for the graders. you will not receive any partial points for an incorrect answer. 1. which of the following are valid array declarations? if it is not valid write a valid statement. (2 pts) a. char [26] chararraynew char [26] b. int [10] words = new int[]; c. char[] charar ray= "computer science"; d. double [ ] nums {3.5, 35.1, 32.0}; 2. write the output of the following code: (2 pts) public class hw7 public static void main(stringl] args) intx-new int[10] for (int i-0 i < x. length; i++) system. out. println (x[i]) 3. write a method that takes an array of strings as a parameter and the number of elements currently stored in the array, and returns a single string that is the concatenation of all strings in the array. (3pts)
Answers: 2
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Engineering, 04.07.2019 19:10
Asteel wire of 2 mm diameter is fixed between two points located 2 m apart. the tensile force in the wire is 250n, if its density of steel is given by 7830 kg/m3 the fundamental frequency of vibration hz? ?
Answers: 3
Engineering, 04.07.2019 19:20
The quality is zero at a)-the saturated vapour state b)-the saturated liquid state c)-the saturated liquid-vapour mixture state d)-none of the states in the other answers
Answers: 3
Note: the answers to the following questions should be typed in the block of comments in the assign...
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