An automobile starter motor draws a current of 1.7 a from a 17.2 v battery when operating at normal speed. a broken pulley locks the armature in position, and the current increases to 12.3 a. what was the back emf of the motor when operating normally? answer in units of v.
Answers: 3
Physics, 22.06.2019 10:00
Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.
Answers: 1
Physics, 22.06.2019 14:30
Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
Answers: 2
Physics, 22.06.2019 17:30
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance
Answers: 1
An automobile starter motor draws a current of 1.7 a from a 17.2 v battery when operating at normal...
Mathematics, 02.12.2020 02:30
Mathematics, 02.12.2020 02:30
Mathematics, 02.12.2020 02:30
Mathematics, 02.12.2020 02:30
Social Studies, 02.12.2020 02:30
Mathematics, 02.12.2020 02:30
Mathematics, 02.12.2020 02:30
Biology, 02.12.2020 02:30
Computers and Technology, 02.12.2020 02:30
Biology, 02.12.2020 02:30
Social Studies, 02.12.2020 02:30
Mathematics, 02.12.2020 02:30