Physics, 28.09.2019 21:20 idk314159265359
Before 1960, it was believed that the maximum attainable coefficient of static friction for an automobile tire was less than 1. then around 1962, three companies independently developed racing tires with coefficients of 1.6. since then, tires have improved, as illustrated in this problem. according to the 1990 guinness book of records, the shortest time interval in which a piston-engine car initially at rest has covered a distance of one- quarter mile is 4.96 s. this record was set by shirley muldowney in september 1989. (a) assume that, as shown in figure p5.3, the rear wheels lifted the front wheels off the pavement. what minimum value of us is necessary to achieve the record time? (b) suppose muldowney were able to double her engine power, keeping other things equal. how would this change affect the elapsed time?
Answers: 2
Physics, 21.06.2019 22:10
How would doubling the made of an object change the objects potential energy
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Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Physics, 22.06.2019 10:00
** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils
Answers: 1
Physics, 22.06.2019 13:00
The substances that are necessary for producing of certain hormones and that store and transport vitamins
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Before 1960, it was believed that the maximum attainable coefficient of static friction for an autom...
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