 , 21.06.2019 16:30 ericuh

# Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.   ### Another question on Physics Physics, 21.06.2019 16:50
Aship fires a projectile at a speed of 0.5c. what is the maximum speed another ship can have relative to the first and still be able to calculate the speed of the projectile using a galilean transformation with no more than 1% error from the correct value for the velocity of the projectile? Physics, 22.06.2019 03:20
(a) the axes of two polaroids are placed at an angle so that the intensity of the incident unpolarized light is reduced to 1/3. what is that angle? (b) if unpolarized light passes through two polaroids whose axes are placed at an angle of 40 degrees, how much would the intensity of the light be reduced to? Physics, 22.06.2019 11:00
What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line. Physics, 22.06.2019 12:50
Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
Which statement best describes resistance? resistance is a. how well a current will flow in a mater...
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