Answer:
No, this would not be a good candidate because it can't be used in creating new programs.
Explanation:
^
Answer:
Length of char array: sizeof(arr)
Length of a string object: myString.length()
Explanation:
The sizeof approach is generally not recommended, since this information is lost as soon as you pass the array to a function, because then it becomes a pointer to the first element.
Answer:
The hacker which represents the highest risk to my computer is the Script Kiddie.
Explanation:
A Script Kiddie cannot make their own programs.
They hack by using existing codes, scripts, web shells etc to access a work station, mutilate webpages etc.
The difference between a Hacker and a Script Kiddie is that a hacker does not need another person's code. They are skilled at writing their own codes which are can be very potent. This level of skill can be difficult to attain except for very bright minds.
The script kid needs very little knowledge of scripts and they are well on their way to causing damage.
Cheers!
Answer:
A. 0.0450
B. 4
C. 0.25
D. 37.68
E. 6Hz
F. -0.523
G. 1.5m/s
H. vy = ∂y/∂t = 0.045(-37.68) cos (25.12x - 37.68t - 0.523)
I. -1.67m/s.
Explanation:
Given the equation:
y(x,t) = 0.0450 sin(25.12x - 37.68t-0.523)
Standard wave equation:
y(x, t)=Asin(kx−ωt+ϕ)
a.) Amplitude = 0.0450
b.) Wave number = 1/ λ
λ=2π/k
From the equation k = 25.12
Wavelength(λ ) = 2π/25.12 = 0.25
Wave number (1/0.25) = 4
c.) Wavelength(λ ) = 2π/25.12 = 0.25
d.) Angular frequency(ω)
ωt = 37.68t
ω = 37.68
E.) Frequency (f)
ω = 2πf
f = ω/2π
f = 37.68/6.28
f = 6Hz
f.) Phase angle(ϕ) = -0.523
g.) Wave propagation speed :
ω/k=37.68/25.12=1.5m/s
h.) vy = ∂y/∂t = 0.045(-37.68) cos (25.12x - 37.68t - 0.523)
(i) vy(3.5m, 21s) = 0.045(-37.68) cos (25.12*3.5-37.68*21-0.523) = -1.67m/s.
The answer is two. Most people think it's one but it's 2
