1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
trasher [3.6K]
3 years ago
12

If you mix water that is 80° with the same amount of water that is 20° what will the resulting temperature be

Physics
1 answer:
olga55 [171]3 years ago
5 0

Answer:

50

Explanation:

You might be interested in
A gas is compressed at constant temperature from a volume of 5.68 L to a volume of 2.35 L by an external pressure of 732 torr. C
Vlada [557]

Answer: The work done in J is 324

Explanation:

To calculate the amount of work done for an isothermal process is given by the equation:

W=-P\Delta V=-P(V_2-V_1)

W = amount of work done = ?

P = pressure = 732 torr = 0.96 atm    (760torr =1atm)

V_1 = initial volume = 5.68 L

V_2 = final volume = 2.35  L

Putting values in above equation, we get:

W=-0.96atm\times (2.35-5.68)L=3.20L.atm

To convert this into joules, we use the conversion factor:

1L.atm=101.33J

So, 3.20L.atm=3.20\times 101.3=324J

The positive sign indicates the work is done on the system

Hence, the work done for the given process is 324 J

5 0
3 years ago
At what speed does a typical electron pass by any given point in the wire?
attashe74 [19]
A 5.00 A current runs through a 12 gauge copper wire (diameter 2.05 mm) and through a light bulb. Copper has 8.5*10^28 free electrons per cubic metre.

a) How many electrons pass through the light bulb each second?

b) What is the current density in the wire? (answer in A/m^2)

<span>c) At what speed does a typical electron pass by any given point in the wire? (answer in m/s)

</span>a) 5.0 A = 5.0 C/s 
. Number of electrons in 5.0C = 5.0 / 1.60^-19 = 3.125^19
. 5.0 A ►= 3.125^19 electrons/s

b) A/m² = 5.0 / π(1.025^-3 m)² .. .. ►= 1.52^6 A/m²

c) Charge density (q/m³) = 8.50^28 e/m³ x 1.60^-19 = 1.36^10 C/m³

(q/m³)(m²)(m/s) = q/s (current i in C/s [A])
(m²) = Area
(m/s) = mean drift speed

(q/m³)(A)(v) = i

v = i.[(q/m³)A]ˉ¹

<span>v = 5.0 [1.36^10 * π(1.025^-3 m)²]ˉ¹.. .. ►v = 1.10^-4 m/s</span>
7 0
3 years ago
The images formed by diverging (concave) lenses are always _____. real virtual upright inverted magnified diminished
amid [387]
The answer is virtual.
5 0
3 years ago
Read 2 more answers
Need help ASAP please helppp
Setler [38]

Answer:

2.3 newtons of force

Explanation:

Divide the weight by the speed of the bike

4 0
3 years ago
The density of air under normal conditions is about 1.2 kg/m3. For a wind speed of 10 m/s, find
den301095 [7]

Answer:

The density’ is 5.46

Explanation:

3 0
2 years ago
Other questions:
  • a 1500 kg car accelerates uniformly from rest to 10.0 meters per secound in 3.0 secound .what is the work done on the car in thi
    13·1 answer
  • Which of the following is an example of the law of conservation of energy?
    7·2 answers
  • When the space shuttle coasts in a circular orbit at constant speed about the earth, is it accelerating? if so, in what directio
    15·2 answers
  • What is gibbs paradox?
    13·1 answer
  • True or false velocity is the slope of the acceleration versus time graph
    14·2 answers
  • What year will y'all graduate
    6·2 answers
  • What is the name of the area between the shoreline and the continental slope ?
    12·1 answer
  • Write the formulas of three important acids and three important bases. Describe their uses.
    14·1 answer
  • A 6.0x10-2kg hollow racquetball with an initial speed of 18.6 m/s collides with a backboard. It rebounds with a speed of 4.6 m/s
    13·1 answer
  • Define thermal conductivity.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!