Answer:
a.
b.
c.
Explanation:
a. void ratio is provided by the formula: 
where , 
= volume of voids
= volume of solid grains
for loose sand, the void space = 
= 1
b. void ratio after static load = 0.1/(480)/ (480)
= 0.1
c. void ratio after vibration = [480- ( 0.1 * 480) ]/ 480
= 0.9
Answer:
class TriangleNumbers
{
public static void main (String[] args)
{
for (int number = 1; number <= 10; ++number) {
int sum = 1;
System.out.print("1");
for (int summed = 2; summed <= number; ++summed) {
sum += summed;
System.out.print(" + " + Integer.toString(summed));
}
System.out.print(" = " + Integer.toString(sum) + '\n');
}
}
}
Explanation:
We need to run the code for each of the 10 lines. Each time we sum numbers from 1 to n. We start with 1, then add numbers from 2 to n (and print the operation). At the end, we always print the equals sign, the sum and a newline character.
Answer:
note:
solution is attached due to error in mathematical equation. please find the attachment
