A solid keeps its shape due to which of the following factors?

Physics

2 answers:

Lady_Fox [76]2 years ago

8 0

Answer:

(A) <u>Space between particles</u><em>!</em>

Explanation:

Solids can hold their shape because their molecules are tightly packed together<em>!</em>

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siniylev [52]2 years ago

6 0

Answer:

Explanation:

because whatever elements are used like gas uses water evaporation so yeah

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A fisherman's scale stretches 3.7 cm when a 3.5 kg fish hangs from it. (a) what is the spring constant? n/m (b) what will be the

Karo-lina-s [1.5K]

(a) the weight of the fish is:
$W=mg=(3.5 kg)(9.81 m/s^2)=34.3 N$
and this is the force that stretches the spring by $x=3.7 cm=0.037 m$ . So, we can use Hook's law to find the constant of the spring:
$k= \frac{F}{x}= \frac{34.3 N}{0.037 m}=927.0 N/m$

(b) The fish is pulled down by 2.8 cm = 0.028 m more, so now the total stretch of the spring is
$x'=3.7 cm+2.8 cm=6.5 cm$
But this is also the amplitude of the new oscillation, because this is the maximum extension the spring can get, so A=6.5 cm.

The angular frequency of oscillation is given by:
$\omega= \sqrt{ \frac{k}{m} }= \sqrt{ \frac{927.0 N/m}{3.5 kg} }=16.3 Hz$
and so the frequency is given by
$f= \frac{\omega}{2 \pi} = \frac{16.3 Hz}{2 \pi}=2.6 Hz$

8 0

2 years ago

What would the final volume of 40 L of gas at 80 pascals be if the pressure increases to 130 pascals?

melomori [17]

Answer:

Final volume, V2 = 24.62 L

Explanation:

Given the following data;

Initial volume = 40 L

Initial pressure = 80 Pa

Final pressure = 130 Pa

To find the final volume V2, we would use Boyles' law.

Boyles states that when the temperature of an ideal gas is kept constant, the pressure of the gas is inversely proportional to the volume occupied by the gas.

Mathematically, Boyles law is given by;

$PV = K$