Physics, 21.11.2019 19:31 culbertchristi4887
Amotor with a brush-and-commutator arrangement has a circular coil with radius 2.5cm and 150 turns of wire. the magnetic field has magnitude 0.060t and the coil rotates at 440rev/min.
part a
what is the maxium emf induced in the coi?
express your answer using two significant figure.
emax = v
part b
what is the average back emf?
express you anser using two significant figures.
eav = v
Answers: 3
Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 โ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30โ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
Physics, 22.06.2019 04:00
It can take some of those large , industrial vehicles up to feet to stop when traveling only 60 mph, and therefore , you shoukd be mindful to not be jn the traffic right in front of them a. 100 feet b. 200 feet c. 335 feet d. 425 feet
Answers: 1
Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70โc. calculate the work (in kj) done during this process.
Answers: 3
Physics, 22.06.2019 14:30
Slab pullโ is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false
Answers: 2
Amotor with a brush-and-commutator arrangement has a circular coil with radius 2.5cm and 150 turns o...
Mathematics, 14.10.2019 21:30
Mathematics, 14.10.2019 21:30
Computers and Technology, 14.10.2019 21:30
English, 14.10.2019 21:30
Computers and Technology, 14.10.2019 21:30
English, 14.10.2019 21:30
Mathematics, 14.10.2019 21:30