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DiKsa [7]
3 years ago
6

Addition of _____________ to pure water causes the least increase in conductivity. A) weak bases B) acetic acid C) ionic compoun

ds D) organic molecules
Physics
2 answers:
geniusboy [140]3 years ago
8 0

Answer:

D

Explanation:

Water in itself is a bad conductor of electricity. Any compound that dissociates in water into ions and charged molecules, will increase conductivity of water. In this case ionic compounds weak basis and acids will put in free ions into the water. The ions can pass electricity because they are attracted to respective poles of electricity depending on their charges. In water, these ions are free moving unlike when they are immobilized in their lattice in solid form.

Organic compounds are mainly made of covalent bonds (around carbon) hence do not dissociate in water.

Mariana [72]3 years ago
3 0

Answer:

the answer is c

Explanation:

i just took it on usatp and its c

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Fiesta28 [93]

Answer:

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that means Speed is changing with time

You know speed is distance/time

So that means distance is also changing with time

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dt = infinitesimal small time

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So, thanks

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4 0
3 years ago
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Usimov [2.4K]
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4 0
3 years ago
Your 64-cm-diameter car tire is rotating at 3.3 rev/swhen suddenly you press down hard on the accelerator. After traveling 250 m
umka21 [38]

Answer:

0.76 rad/s^2

Explanation:

First, we convert the original and final velocity from rev/s to rad/s:

v_o = 3.3\frac{rev}{s} * \frac{2\pi rad}{1rev} =20.73 rad/s

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Now, we need to find the number of rads that the tire rotates in the 250m path. We use the arc length formula:

D = x*r \\x = \frac{D}{r} = \frac{250m}{0.64m/2} = 781.25 rads

Now, we just use the formula:

w_f^2-w_o^2=2\alpha*x

\alpha =\frac{w_f^2-w_o^2}{2x} = \frac{(40.21rad/s)^2-(20.73rad/s)^2}{2*781.25rad} = 0.76 rad/s^2

6 0
3 years ago
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Vilka [71]

Answer:

It would be A.

Explanation:

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4 0
3 years ago
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_____ is the total kinetic energy of particles in an object.
maw [93]
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hope this helps
4 0
3 years ago
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