3 years ago

How is temperature defined in terms of molecular action?

1 answer:

5 0

Temperature is defined by the agitation of molecules at a molecular level. It is minimal (0 K) when all the particles are exactly still, and increases as the agitation becomes more intense.

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Quick does the watermelon have more or less mass then the 2kg bottle?

Ratling [72]

Answer

it will be less\

Explanation:

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4 years ago

The edge of a flying disc with a radius of 0.13 m spins with a tangential speed of 3.3 m/s.

Aleks [24]

By definition, centripetal acceleration is given by:

$a = \frac{v ^ 2}{r}$

Where,

v: tangential disk speed

r: disk radius

Substituting values in the given equation we have:

$a =\frac{3.3^2}{0.13}\\a = 83.76923077$

Rounding the result we have:

$a = 83.8 \frac{m}{s^2}$

Answer:

The centripetal acceleration of the disc edge in m/s^2 is:

$a = 83.8 \frac{m}{s^2}$

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4 years ago

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A student weighing 700 N climbs at constant speed to the top of an 8 m vertical rope in 10 s. The average power expended by the

stich3 [128]

Answer:

3. 560W

Explanation:

First we calculate the work required for the 700N weigh student to climb up by 8 meters. Work is force times distance

W = Fs = 700 * 8 = 5600J

The average power is defined as the rate of energy expended over a unit of time. In order words, work divided by time duration

P = W/t = 5600 / 10 = 560 W

3 0

3 years ago

How much work is done on 10.0C of charge to move it through a potential difference of 9V in 10s?

Norma-Jean [14]

Here is the link with ans on it
https://moorsscience.wikispaces.com/file/view/chapter+12+answers.pdf
hope it helps

5 0

3 years ago

PLEASE HELP ME QUICK

babunello [35]

Answer:

i think its 1.5 m/s to the right?

Explanation:

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3 years ago