An object's inertia causes it to come to a rest position.<br> TRUE OR FAULSE

A cylinder contains a mixture of helium and argon gas in equilibrium at 160°C.

Artist 52 [7]

Answer:

a. E=8.97*10^{-21} J

b. v-He2 = 1.161 km/s

v-Ar2 = 369.74 m/s

Explanation:

(a) The average kinetic energy is given by

$E_k=\frac{1}{2}k_BT$

where KB is the Boltzman's constant and T is the temperature. For each molecule we have:

$E_k=\frac{3}{2}(1.38066*10^{-23}\frac{J}{K})(433.15K)=8.97*10^{-21}J$

is the same for both type of molecules because is independent of the mass

(b)

$v_{rms}=\sqrt{\frac{3RT}{M}}$

where R is the constant of ideal gases, and M is the mass of the molecule. BY replacing for each type of molecule we obtain:

$v_{rms-He_{2}}=\sqrt{\frac{3(8.311434Jmol^{-1}K^{-1})(433.15K)}{0.008kg\ mol^{-1}}}=1161.9\frac{m}{s}\\\\v_{rms-Ar_{2}}=\sqrt{\frac{3(8.311434Jmol^{-1}K^{-1})(433.15K)}{0.079kg\ mol^{-1}}}=369.74\frac{m}{s}$

v-He2 = 1.161 km/s

v-Ar2 = 369.74 m/s

hope this helps!!

8 0

3 years ago

A cylindrical solenoid (radius r=0.6 m, turns N=600, length l=0.5 m) carries 15 A of current. What is the inductance L of the co

Anuta_ua [19.1K]

Answer:

L = 1.023 H

Explanation:

given,

radius of the cylindrical solenoid = r = 0.6 m

Number of turns = N = 600

Length = l = 0.5 m

Current in the cylindrical solenoid = 15 A

Inductance in the coil = ?

using formula

$L = \dfrac{\mu_0\ N^2\ A}{l}$

$L = \dfrac{4 \pi \times 10^{-7}\times 600^2\times \pi r^2}{0.5}$

$L = \dfrac{4 \pi \times 10^{-7}\times 600^2\times \pi 0.6^2}{0.5}$

L = 1.023 H

the inductance L of the coil is = 1.023 H

8 0

3 years ago

The diagram below shows a section of a roller coaster track. Five points on the track are labeled. Between which

arlik [135]

Answer: u and v. Trust me I took the test and i was right

7 0

4 years ago

An electromagnetic wave has a frequency of 1.0 x 10^5. What is the wavelength of the wave?

SashulF [63]

Answer:

The frequency , speed and wavelength of an electromagnetic wave are related by the formula

Speed = frequency x wavelength

frequency = speed / wavelength

substituting the values

frequency = 3 x #10 ^8# m /s / 1 x #10^15# m

= 3 x #10^-7# /s

6 0

3 years ago

Read 2 more answers

A 1650 kg car accelerates at a rate of 4.0 m/s. How much force is the car's engine producing?

lakkis [162]

The car produces 412.5 KG per m/s

5 0

3 years ago

An object's inertia causes it to come to a rest position. TRUE OR FAULSE