subject
Physics, 19.12.2019 10:31 tyryceschnitker

Metals are good conductors of electric current for which of the following reasons? they possess high concentrations of protonsthey possess low concentrations of protonsthey possess high concentrations of free electronsthey possess low concentrations of free electrons

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 10:30
Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?
Answers: 2
question
Physics, 22.06.2019 15:50
Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
Answers: 3
question
Physics, 22.06.2019 16:50
Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.
Answers: 2
question
Physics, 22.06.2019 18:50
What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.
Answers: 2
You know the right answer?
Metals are good conductors of electric current for which of the following reasons? they possess high...
Questions
question
Mathematics, 07.01.2020 04:31
question
Mathematics, 07.01.2020 04:31
question
Chemistry, 07.01.2020 04:31
question
Mathematics, 07.01.2020 04:31
question
Mathematics, 07.01.2020 04:31