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
dezoksy [38]
3 years ago
10

25 Points PLEASE I need Help

Physics
1 answer:
olga55 [171]3 years ago
6 0

Answer:nah u took my points I take urs

Explanation:

You might be interested in
Latent heat of fusion refers to which changes of state?
raketka [301]

The latent heat of fusion refers to the solid to liquid or liquid to solid states.

Answer: Option C

<u>Explanation: </u>

It is known that the inter conversion process from the states of solid to liquid is referred as fusion. So, for these conversions, the external energy in the heat form should be supplied to solid.

This external energy should be greater than the latent heat of solid in order to successfully break the bonds to form liquid. So the change in the enthalpy of the reaction while conversion from solids to liquids are termed as latent heats of fusion.

Even the inter-conversion from liquid to solid state will undergo change in enthalpy where the heat will be released and that is termed as latent heats of solidification. It is found that latent heat of solidification is equal in magnitude but opposite in direction with the latent heats of fusion.

7 0
4 years ago
PLZ HELP AND HURRY
Rainbow [258]
Earth-like planet in another solar system
Hope this helps!!
8 0
3 years ago
What is the average power output pf a weight lifter who can lift 250 kg 2.0 m in 2.0 s
liq [111]

Answer:

Power = 2.45Kw or 2450 Watts.

Explanation:

<u>Given the following data;</u>

Mass, m = 250kg

Height, h = 2m

Time, t = 2secs

We know that acceleration due to gravity, g is equal to 9.8m/s²

Power can be defined as the energy required to do work per unit time.

Mathematically, it is given by the formula;

Power = \frac {Energy}{time}

But Energy = mgh

Substituting into the equation, we have

Power = \frac {mgh}{time}

Power = \frac {250*9.8*2}{2}

Power = \frac {4900}{2}

Power = 2450 Watts

To convert to kilowatt (Kw), we would divide by 1000

Power = 2450/1000

Power = 2.45Kw.

Therefore, the average power output of the weightlifter is 2.45 Kilowatts.

8 0
3 years ago
When a cold air mass and a warm air mass meet but are at a standstill, the boundary is called.
Sphinxa [80]

Answer:

Ur answer is Stationary Front

Explanation:

Stationary Front is when a cold air mass and a warm air mass but are at a standstill the boundary is called Stationary Front.

3 0
2 years ago
Which one is made up of one or more molecules
zmey [24]
Ok so I already studied this and I realized it was water or also Oxygen
3 0
3 years ago
Other questions:
  • From which end (north or south) of a bar magnet do magnetic field lines emerge?
    12·1 answer
  • After the sun becomes a red giant star and makes carbon in its core, why will it not make heavier elements?
    8·1 answer
  • What did Rutherford discover about the structure of the atom
    15·1 answer
  • Which of the following is a unit of speed?
    15·2 answers
  • You can increase the rate solute dissolves in solvent by______
    10·2 answers
  • Two airplanes leave an airport at the same time and travel in opposite directions. One plane travels 87 km/h faster than the oth
    7·1 answer
  • Two or more different monomers will link to form a
    8·1 answer
  • HELP SCIENCE 8 15 pts
    15·1 answer
  • A 12 V battery is connected to a resistor, a light bulb, and a buzzer. What are the energy conversions that occur in the circuit
    13·1 answer
  • In part a, (a) why did you set the frequency of the square wave to 0.40 hz? (b) what would have happened if you had set the freq
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!