Physics, 27.09.2019 17:30, bunbun2913
How much would you have to raise the temperature of a copper wire (originally at 20 ? c) to increase its resistance by 18 % ? the temperature coefficient of resistivity of copper is 0.0068 (? c)? 1?
Answers: 1
Physics, 22.06.2019 08:30, lovebunfan
What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
Answers: 3
Physics, 22.06.2019 19:40, mickellife4659
22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?
Answers: 1
How much would you have to raise the temperature of a copper wire (originally at 20 ? c) to increase...
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