1. The termination condition for the given While loop is:
beta < 0 || beta > 10
2. In this loop, no priming read is necessary.
3. Given the input data 25 10 6 -1, the output of the code fragment is:
40
4. After executing the code, the value of length is:
600
5. The output of the given code fragment is:
5
6. The result of the code fragment with a semicolon at the end of the While condition will be:
an infinite loop
7. The output of the nested While loops code fragment is:
10
8. In the given C++ program fragment, the statement "Hello" is not part of the body of the loop.
True
9. In C++, an infinite loop results from using the assignment operator in the given way.
True
10. The body of a do...while loop is always executed (at least once), even if the while condition is not satisfied.
True
11. The output of the first code fragment with count = 3 is:
none of the above (no output is produced)
12. The output of the second code fragment is:
2 1
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is &(&i) ever valid in c? explain.
In C programming, the expression "&(&i)" is not considered valid.
Here's a step-by-step explanation:
1. "i" represents a variable, which can store an integer value. To declare a variable "i" as an integer, you would write "int i;".
2. "&i" refers to the memory address of the variable "i". The ampersand (&) is known as the "address-of" operator, and it is used to get the address of a variable in memory.
3. Now, let's consider "&(&i)": this expression attempts to get the address of the address of the variable "i". However, this is not valid in C, because the "address-of" operator cannot be applied to the result of another "address-of" operator.
In summary, the expression "&(&i)" is not valid in C programming, as you cannot use the "address-of" operator on the result of another "address-of" operator.
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Calculate the maximum torsional shear stress that would develop in a solid circular shaft, having a diameter of 1. 25 in, if it is transmitting 125 hp while rotating at 525 rpm. (5 pts)
To calculate the maximum torsional shear stress (τmax) in a solid circular shaft, we can use the following formula:
τmax = (16 * T) / (π * d^3)
Where:T is the torque being transmitted (in lb·in or lb·ft),
d is the diameter of the shaft (in inches).
First, let's convert the power of 125 hp to torque (T) in lb·ft. We can use the following equatio
T = (P * 5252) / NWhere:
P is the power in horsepower (hp),
N is the rotational speed in revolutions per minute (rpm).Converting 125 hp to torque
T = (125 * 5252) / 525 = 125 lbNow we can calculate the maximum torsional shear stress
τmax = (16 * 125) / (π * (1.25/2)^3)τmax = (16 * 125) / (π * (0.625)^3
τmax = (16 * 125) / (π * 0.24414)τmax = 8000 / 0.76793τmax ≈ 10408.84 psi (rounded to two decimal places)
Therefore, the maximum torsional shear stress in the solid circular shaft is approximately 10408.84 psi.
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what is the difference between an argument that is valid and one that is invalid? construct an example each.
An argument is said to be valid when its conclusion follows logically from its premises. In other words, if the premises are true, then the conclusion must also be true.
On the other hand, an argument is said to be invalid when its conclusion does not follow logically from its premises. This means that even if the premises are true, the conclusion may not necessarily be true.
For example, consider the following argument:
Premise 1: All cats have tails.
Premise 2: Tom is a cat.
Conclusion: Therefore, Tom has a tail.
This argument is valid because if we accept the premises as true, then the conclusion logically follows. However, consider the following argument:
Premise 1: All dogs have tails.
Premise 2: Tom is a cat.
Conclusion: Therefore, Tom has a tail.
This argument is invalid because even though the premises may be true, the conclusion does not logically follow from them. In this case, the fact that all dogs have tails does not necessarily mean that all cats have tails, so we cannot use this premise to support the conclusion.
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