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
Andreyy89
3 years ago
11

Two iron rods are placed horizontally, touching end-to-end. One end of one rod is heated. After some time, the other rod also fe

els warm to touch. How did the heat travel from the heated rod to the one that was not heated?
A) The air over the heated rod traveled to the other rod and made it warm.
B) Part of the heat was converted to radiation and traveled to the cooler rod.
C) Electrons within the rods started moving, distributing heat consistently in both rods.
D) The molecular movement in the first rod transferred energy to the molecules in the second.
Physics
2 answers:
algol133 years ago
6 0
The answer is D) <span>The molecular movement in the first rod transferred energy to the molecules in the second.</span>
saw5 [17]3 years ago
3 0

I can confirm that the answer is D

You might be interested in
Which of the following is an idea that robert hutchings goddard introduced in his “further developments” to his research "a meth
asambeis [7]
<span>Wave energy is an idea that Robert Hutchings Goddard introduced in his “Further Developments” to his research "A Method of Reaching Extreme Altitudes"    </span>
6 0
3 years ago
Which refers to any disturbance that carries energy from one place to another through matter and space?
Black_prince [1.1K]
I think frequency it sounds like the correct answer but I am not completely sure if I am correct
4 0
2 years ago
Read 2 more answers
An 8.00 kg mass moving east at 15.4 m/s on a frictionless horizontal surface collides with a 10.0 kg object that is initially at
andrew-mc [135]

Answer:

9.3m/s

Explanation:

Based on the law of conservation of momentum

Sum of momentum before collision = sum of momentum after collision

m1u1 +m2u2 = m1v1+m2v2

m1 = 8kg

u1 = 15.4m/s

m2 = 10kg

u2 = 0m/s(at rest)

v1 = 3.9m/s

Required

v2.

Substitute

8(15.4)+10(0) = 8(3.9)+10v2

123.2=31.2+10v2

123.2-31.2 = 10v2

92 = 10v2

v2 = 92/10

v2 = 9.2m/s

Hence the velocity of the 10.0 kg object after the collision is 9.2m/s

6 0
3 years ago
.3.3: Populating a vector with a for loop. Write a for loop to populate vector userGuesses with NUM_GUESSES integers. Read integ
Reptile [31]

Answer:

#include <iostream>

#include <vector>

using namespace std;

int main() {

  const int NUM_GUESSES = 3;

  vector<int> userGuesses(NUM_GUESSES);

  int i = 0;

int uGuess = 0;

for(i = 0; i <= userGuesses.size() - 1; i++){

 cin >> uGuess;

 userGuesses.at(i) = uGuess;

}

cout << endl;

  return 0;

}

Explanation:

First inbuilt library were imported. Then inside the main( ) function, 3 was assigned to NUM_GUESSES meaning the user is to guess 3 numbers. Next, a vector was defined with a size of NUM_GUESSES.

Then a for-loop is use to receive user guess via cin and each guess is assigned to the vector.

8 0
3 years ago
Which scientist first made a model of the atom called the plum pudding model? John Dalton J.J. Thomson Neils Bohr Ernest Rutherf
Norma-Jean [14]

Answer: J.J Thomson

Explanation: J. J. Thomson, who discovered the electron in 1897, proposed the plum pudding model of the atom in 1904 before the discovery of the atomic nucleus in order to include the electron in the atomic model.

6 0
2 years ago
Other questions:
  • A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby weighs 12 N. The carriage has pote
    11·1 answer
  • A 160 g basketball has a 32.7 cm diameter and may be approximated as a thin spherical shell. Starting from rest, how long will i
    12·1 answer
  • An 88.0 kg spacewalking astronaut pushes off a 645 kg satellite, exerting a 110 N force for the 0.450 s it takes him to straight
    10·1 answer
  • A MEMS-based accelerometer has a mass of m = 2 grams, an equivalent spring constant of k = 5 N/m, and an equivalent damping coef
    12·1 answer
  • For each of the stress state given determine the principal normal stresses and the maximum shear stress. Note that all units are
    8·1 answer
  • In which of the following cases is work being done on an object? Question 2 options: Pushing against a locked door Carrying a bo
    12·1 answer
  • An object travels with velocity v = 4.0 meters/second and it makes an angle of 60.0° with the positive direction of the y-axis.
    8·1 answer
  • Solar cells change into electricity.
    10·2 answers
  • An object with mass of 4kg is thrown with initial velocity of 20m/s from point A and follows the track of ABCD.
    10·1 answer
  • Pls help i am in8th grade k12
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!