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
BigorU [14]
3 years ago
15

On a night when the moon rises at 9 pm, what is its phase?

Physics
1 answer:
Leni [432]3 years ago
5 0
Waning Gibbous would be the phase?
You might be interested in
Which statement about elements and atoms is true?
Vika [28.1K]
Atoms are the smallest unit of an element
8 0
3 years ago
Calculate the change in entropy as 0.3071 kg of ice at 273.15 K melts. (The latent heat of fusion of water is 333000 J / kg)
Ostrovityanka [42]

Answer:

374.39 J/K

Explanation:

Entropy: This can be defined as the degree of disorder or randomness of a substance.

The S.I unit of entropy is J/K

ΔS = ΔH/T ..................................... Equation 1

Where ΔS = entropy change, ΔH = Heat change, T = temperature.

ΔH = cm................................... Equation 2

Where,

c = specific latent heat of fusion of water = 333000 J/kg, m = mass of ice = 0.3071 kg.

Substitute into equation 2

ΔH = 333000×0.3071

ΔH = 102264.3 J.

Also, T = 273.15 K

Substitute into equation 1

ΔS = 102264.3/273.15

ΔS = 374.39 J/K

Thus, The change in entropy = 374.39 J/K

3 0
3 years ago
Which considerations are used to calculate a windchill factor? Select two options.
vlada-n [284]

Wind speed and air temperature are used to calculate a windchill factor.

<u>Explanation:</u>

<u></u>

Wind-chill factor is the reduction of body temperature due to the passing flow of lower-temperature air.

The air temperature  value is always higher than the wind chill numbers. the heat index will be used if the apparent temperature is higher than the air temperature.So, Wind speed and air temperature are mainly used to calculate a windchill factor.

There are many ways, the surface loses its heat through conduction, evaporation,radiation, and convection.The rate of convection depends on  the difference in temperature between the surface and the fluid surrounding the surface and the velocity of that fluid with respect to the surface. The air around the warm surface will be heated, an insulating  layer of warm air forms against the surface.The layer becomes a boundary between two. As the wind speed is high the surface cools down rapidly.

7 0
3 years ago
Read 2 more answers
What is the net force for this? (please don't forget it's direction and magnitude)​
avanturin [10]

Answer:

Explanation:

As the sum of the two right directed forces match exactly the left directed force, the only unbalanced force, and thus the net force, is the upward 25 N force.

3 0
3 years ago
Morgan doesn't like Colombians, and she won't hire any to work in her restaurant. This is an example of:
stellarik [79]
The answer is D. discrimination.<span />
8 0
3 years ago
Other questions:
  • The net force acting on a 50kg crate is 0 N. what is the crates accelratiin
    11·1 answer
  • A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. The coefficient of kinetic fric
    8·2 answers
  • Friends who are your age and share the same interests are called
    9·2 answers
  • Two disadvantages of spreadsheet
    15·2 answers
  • Need help in Psychology. Please help! Which of the following statements best describes abductive reasoning? A.I think,therefore
    11·1 answer
  • Which SI unit is the correctly abbreviated for describing the mass on an object.
    12·1 answer
  • Discuss a time when you made an impulsive decision. What was the decision? Why did you make your decision
    9·1 answer
  • If a train has 1,450 kg of momentum and is traveling at 40 m/s ¿what is the mass of tren?
    12·1 answer
  • If you are given values for, Ay, and At, which kinematic equation could be used to find ūo ?
    7·1 answer
  • Which type of bond and how many bonds would occur as carbon dioxide.. (CO2) is formed from carbon in Group IVA and oxygen in Gro
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!