The true statement about the directrix is that each directrix of this ellipse is 31.25 units from the center on the major axis.
<h3>How to determine the distance of the directrix?</h3>
The equation of the ellipse is given as:
The above means that:
a^2 = 625
a = 25
b^2 = 225
b = 15
Calculate c using:
c^2 = a^2 - b^2
This gives
c^2 = 625 - 225
Evaluate the difference
c^2 = 400
Evaluate the square root
c = 20
The equation of the directrix is
x - x₀ = ± a²/c
So, we have:
x - x₀ = ± 625/20
Evaluate the quotient
x - x₀ = ± 31.25
This means that, each directrix is 31.25 units from the center on the major axis.
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print()
<h3>The print function in python</h3>
The print function outputs the outcome of codes in python.
In order to use the print function, print() is used. Whatever is to be outputted is put in between the parentheses.
Output could be strings, integers, or floats.
In order to output string variables, the words are put in between inverted commas. For example, print('Hello world') or print("Hello world) will output the string - Hello world.
In order to output an integer, the code print(integer value) is used. For example:
a = 4
print(a)
The code above will out 4.
More on print functions in python can be found here: brainly.com/question/13246781
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The punching bag applies the same amount of force to the boxers hands
We have that the acceleration when going left is mathematically given as
a = 0.671 m/s^2
<h3> A
cceleration of Pulley</h3>
Let the system move leftward in direction
Hence we have tension to be
T - m1gsin53 = m1a
m2gsin30 - T = m2a
Therefore
m2gsin30 - m1gsin53.1 = a(m1+m2)
a=g(m2sin30-m1sin53.1) / (m1+m2)
a = 0.671 m/s^2
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Addison book contains 253 pages per hour which is C
