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#1 2024-03-06 04:13:37

nycguitarguy
Member
Registered: 2024-02-24
Posts: 542

Equation That Relates Quantities

Write an equation that relates the quantities.

1. The square of the length of a hypotenuse c of a right triangle varies jointly with the sum of the squares of the lengths of its legs a and b. The constant of proportionality is 1.

c^2 = (a^2 + b^2)(1)

Is this right?

2. The perimeter  p of a rectangle  varies jointly with the sum  of the lengths of its sides l and w. The constant of proportionality is 2.


p = 2(l + w)

You say?

3. The period of a pendulum is the time required for one oscillation; the pendulum is usually referred to as SIMPLE when the angle made to the vertical is less than 5 degrees. The period T of a simple pendulum (in seconds) varies directly with the square root of its length L (in feet).
The constant of proportionality is (2pi)/sqrt{32}.

Let me see.

T = sqrt{L}[(2pi)/sqrt{32}]

What do you say?

Thanks....

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#2 2024-03-06 08:10:13

amnkb
Member
Registered: 2023-09-19
Posts: 253

Re: Equation That Relates Quantities

1. right
2. right
3. right,
but I would simplify:

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#3 2024-03-07 01:25:51

nycguitarguy
Member
Registered: 2024-02-24
Posts: 542

Re: Equation That Relates Quantities

amnkb wrote:

1. right
2. right
3. right,
but I would simplify:

I never understood LaTex.

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