Physics Physics Physics 1 (31.88 KiB) Viewed 33 times
Physics Physics Physics 2 (28.41 KiB) Viewed 33 times
Questio The resistance of a wire depends on its length I and on its cross-se A. The resistance is B с directly proportional to 1 and directly proportional to A. directly proportional to l and inversely proportional to A inversely proportional to I and directly proportional to A. inversely proportional to I and inversely proportional to A
Question 7 A wire with area 1.86 x 105 m² and length 3.75 m is used to tow a car. The force used is 2680 N and the wire stretches by 3.10 mm. Determine the Young's Modulus of the wire. А B с D 161 GPa 168 GPa 182 GPa 175 GPa
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