Awire of resistivity ? must be replaced in a circuit by a wire of the same material but 4 times as long. if, however, the resistance of the new wire is to be the same as the resistance of the original wire, the diameter of the new wire must beanswer4 times the diameter of the original wire.1/2 the diameter of the original wire.1/4 the diameter of the original wire. the same as the diameter of the original wire.2 times the diameter of the original wire.
Answers: 3
Physics, 21.06.2019 19:30, sariyamcgregor66321
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
Answers: 3
Physics, 22.06.2019 10:30, laura52677
Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
Answers: 1
Physics, 22.06.2019 11:00, vanvalenpeyt
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.
Answers: 3
Awire of resistivity ? must be replaced in a circuit by a wire of the same material but 4 times as...
Mathematics, 08.05.2021 18:30
Mathematics, 08.05.2021 18:30