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jenyasd209 [6]
3 years ago
9

Write code to compare two numbers. The code should check whether the first number is less than or equal to the second and then d

isplay the result on the serial monitor.
Physics
1 answer:
belka [17]3 years ago
7 0

Answer:

Explanation:

I will be using Python 3 syntax in writing the code.

- First we need to define a Function 'compare_number' that parse in 2 variables x and y to be compared.

- Then we use the conditional statement if/else to check for the conditions.

- Finally, we will return a Boolean operator True/False or rather print out the statement result to the console. The code is as shown below.

def compare_numbers (x, y):

if x <= y:

return True

else:

return False

compare_number (2,3)

Since 2 is less than 3, the result that will be displayed on the console will be True.

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To stretch a certain nonlinear spring by an amount x requires a force F given by F = 40 x − 6 x 2 , where F is in Newtons and x
strojnjashka [21]

Answer:

64 J

Explanation:

The potential energy change of the spring ∆U = -W where W = work done by force, F.

Now W = ∫F.dx

So, ∆U = - ∫F.dx = - ∫Fdxcos180 (since the spring force and extension are in opposite directions)

∆U = - ∫-Fdx

=  ∫F.dx

Since F = 40x - 6x² and x moves from x = 0 to x = 2 m, we integrate thus, ∆U =  ∫₀²F.dx

=  ∫₀²(40x - 6x²).dx

=  ∫₀²(40xdx - 6x²dx)

=  ∫₀²(40x²/2 - 6x³/3)

=  ∫₀²(20x² - 2x³)

= [20x² - 2x³]₀²

= [(20(2)² - 2(2)³) - (20(0)² - 2(0)³)

= [(20(4) - 2(8)) - (0 - 0))

= [80 - 16 - 0]

= 64 J

5 0
3 years ago
A ball is attached to a vertical spring. The ball is initially supported at a height y so that the spring is neither stretched n
scoundrel [369]

Answer:

All the three quantities will have non zero joules.

Explanation:

At the initial position of rest the system will have only gravitational potential energy while the other 2 quantities will be zero.

when the system reaches a height (y-h) only kinetic energy will be zero while the other 2 quantities will be non zero

At the position of (y-h/2) all the 3 quantities will be non zero.

3 0
3 years ago
the cross section area of a hole is 725cm^2. Given that the area of a circle is A=3.14r^2 , find the radius of the hole.
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The\ area\ of\ a\ circle\ =  \pi r^2 \\ 725\ cm^2 =  3.14r^2 \\&#10;230.57 cm^2 = r^2 \\ \sqrt{230.57\ cm^2} = r \\ \boxed{r = 15.18\  cm}
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The study and analysis of light according to its component wavelengths is called
BARSIC [14]

ANSWER:

The study and analysis of light according to its component wavelengths is called spectroscopy.

EXPLANATION:

Spectroscopy is the branch of science  that is concerned with the investigation and measurement of spectrum produced when matter interacts with or emits electromagnetic radiation.It helps us to identify atoms and molecules in the object.Spectroscopy is used to find out Dopplers effect (the red shift and blue shift),which tells how fast the object is comming towards earth or moving away from the earth.

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3 years ago
1.A boy runs at a speed of 3.3 m/s straight off the end of a diving board that is 3 meters above the water
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Answer:45

Explanation:

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