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
Karo-lina-s [1.5K]
3 years ago
13

Which of these is a good conductor? A. silver B. rubber C. paper D. cotton

Physics
1 answer:
Vikentia [17]3 years ago
3 0
I think its A silver
You might be interested in
Write down applications of mechanics​
harkovskaia [24]

Answer:

Explanation:

applied Mechanics and its Growing Utilisation of Theoretical Mechanics.\

Structural Engineering.

Hydraulics.  

Mechanical Engineering.  

External Fluid Dynamics.

Planetary Sciences.

Life Sciences.

7 0
2 years ago
Two mass m1 and m2 lie on a frictionless surface. Between the two masses is a compressed spring, with spring constant k. The sys
max2010maxim [7]

Answer:

The spring was compressed the following amount:

\Delta x=\sqrt{ \frac{m_1\,v_1^2+ m_2\,v_2^2}{k} }

Explanation:

Use conservation of energy between initial and final state, considering that the surface id frictionless, and there is no loss in thermal energy due to friction. the total initial energy is the potential energy of the compressed spring (by an amount \Delta x), and the total final energy is the addition of the kinetic energies of both masses:

E_i=\frac{1}{2} k\,(\Delta x)^2\\\\E_f=\frac{1}{2} m_1\,v_1^2+\frac{1}{2} m_2\,v_2^2

E_i=E_f\\

\frac{1}{2} k\,(\Delta x)^2=\frac{1}{2} m_1\,v_1^2+\frac{1}{2} m_2\,v_2^2\\k\,(\Delta x)^2=m_1\,v_1^2+ m_2\,v_2^2\\(\Delta x)^2=\frac{m_1\,v_1^2+ m_2\,v_2^2}{k} \\\Delta x=\sqrt{ \frac{m_1\,v_1^2+ m_2\,v_2^2}{k} }

8 0
3 years ago
Which would likely demagnetize a magnetized iron nail?
olga2289 [7]
The answer to this question is dropping it on a hard surface.
8 0
3 years ago
In a cell what substance is analogous to a factory manger and where would it be found?
charle [14.2K]
The substance is DNA and it would be found in the nucleus.
5 0
3 years ago
How is the sun related to nuclear electromagnetic and heat energy?
erik [133]
The sun creates nuclear energy in it's core and as a byproduct heat is created. It gives this off in the form of heat and radiation.
7 0
3 years ago
Other questions:
  • Show solution for # 4
    12·1 answer
  • Please I need help with these 2 questions. Thank you.
    8·1 answer
  • A swimmer is capable of swimming 0.42 m/s in still water. part a if she aims her body directly across a 66-m-wide river whose cu
    6·1 answer
  • An electric fan is turned off, and its angular velocity decreases uniformly from 550 rev/min to 180 rev/min in a time interval o
    6·1 answer
  • Question 5 (2 points)
    11·2 answers
  • What is the thermal energy of an object?
    9·1 answer
  • Is every section of the chromosome active? Why or why not?
    12·2 answers
  • A. l1 =20 A and l2 =24 A
    6·1 answer
  • The acceleration due to gravity on Earth is 9.81 m/s² [down]. A hockey puck was launched from the ice with a velocity of 26.9 m/
    15·1 answer
  • A solenoid 1.85 m long and 2.20 cm in diameter carries a current of 21.0 A. The magnetic field inside the solenoid is 25.0 mT. F
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!