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
Greeley [361]
2 years ago
14

2 t of ferrous scrap at a temperature of 20 degrees is heated to the melting point and melted. How much to consume?

Physics
1 answer:
photoshop1234 [79]2 years ago
3 0

Answer

Calculate the amount of heat needed to melt 2.00 kg of iron at its melting point (1809 K), given that: ?Hfus = 13.80

You might be interested in
A planet orbits a start with the path shown below.
kvv77 [185]

PART a)

As we know that gravitational potential energy is given by the formula

U = -\frac{Gm_1m_2}{r}

here we can see that gravitational potential energy inversely varies with the distance

so here when distance from the sun is minimum then magnitude of gravitational potential energy is maximum while since it is given with negative sign so its overall value is minimum at that position

So gravitational potential energy is minimum at the nearest point and maximum at the farthest point

PART b)

Since we know that sum of kinetic energy and potential energy is constant here

so the points of minimum potential energy is the point where kinetic energy is maximum which means speed is maximum

So here speed is maximum at the nearest point

Part C)

since gravitational potential energy inversely varies with distance so it's graph will be like hyperbolic graph with distance

4 0
3 years ago
You hear an _____ when sound bounces off a hard surface.
Aleksandr [31]
I think b but I’m not completely sure
7 0
3 years ago
Read 2 more answers
Water is a compound.<br> O A. True<br> B. False
puteri [66]
True because , a compound forms when two or more atoms form a chemical bond and the chemical formula for water is H2O which means each molecule of water consists of one oxygen atom
7 0
3 years ago
Read 2 more answers
3. Explain why it is, regardless of the location, at a certain distance between the two points, you will perceive the two points
faust18 [17]

Answer:

Hello your question is missing some parts attached below is the missing part of your question

answer: <em>many primary sensory Neurons will converge and become a single Neuron and the single Neuron will send a single harmonized signal to the Brain</em>.

Explanation:

The reason regardless of the location that will make you perceive the two points as a single point rather than as two distinct points is that many primary sensory Neurons will converge and become a single Neuron and the single Neuron will send a single harmonized signal to the Brain.

3 0
2 years ago
What line in the sky is created by our revolution around the Sun?
faust18 [17]

Answer:

Ecliptic

Explanation:

You asked for the term that is used to describe Earth going around the sun

The ecliptic is the path the sun, moon, and planets take across the sky as seen from Earth. It best defines the plane of the Earth's orbit around the sun. The imaginary line can best be visualized in the days just before full moon.

Hope it helped

6 0
3 years ago
Other questions:
  • A rock is rolling down a hill, and it’s halfway down. Would it have both Kintectic engery and Potenial engery? PLEASE HELP
    10·1 answer
  • What is the shortest distance d you need to walk forward to be at a point where you cannot hear the speakers? the forward direct
    15·2 answers
  • How long would this acceleration last
    6·1 answer
  • What term defines the specific amount of time required for half of a radioactive substance to become stable?
    7·1 answer
  • 1. Calculate the kinetic energy of a moving object, its mass= 100 kg, and its velocity= 12 m/s.
    11·1 answer
  • An electron of mass 9.11*10-31kg has an initial speed of 3.00*105m/s. It travels in a straight line and its speed increases to 7
    9·1 answer
  • a satellite is traveling in a orbit around the earth. what change would cause it to experience more gravitational force from the
    9·1 answer
  • At what time of day would you be most likely to find that the air over water is significantly warmer than the air over land near
    5·2 answers
  • The instruments carried by a spacecraft are called the
    10·2 answers
  • 1. Consider the potential energy diagram shown below. This graph shows the chemical potential energy in a reaction system over t
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!