Physics, 24.02.2020 01:18 jamccoy3335
In the Earth's mantle, heat is transferred in large convection currents. Within these currents,
Answers: 3
Physics, 21.06.2019 20:20
An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?
Answers: 1
Physics, 21.06.2019 22:00
Aroll in a paper machine is powered by a separately excited dc machine. operating point 1 (under load): the roll typically operates at 764 rpm and must provide 301 nm of torque to oppose the load of the paper. the armature voltage is 230v for this operating point operating point 2 (no load): when the load is removed the speed of the roll increases to 900 rpm (the field characteristics are unchanged) la ea dev m (a) calculate the maximum torque (units of nm) that the motor can supply with this applied voltage (b) calculate the value of the armature resistance, ra (in ohms) (c) at operating point 1 (loaded condition), the field current, i, and the total input power (armature field), are measured to be to be 10 a and 28,600 w respectively. use this information to calculate the value of the field resistance, rf (in ohms). (d) (d) at operating point 1 (loaded condition), calculate the motor efficiency. express your answer as a percent to at least 2 significant digits. (d) if the field voltage is reduced by 1/2, calculate the new stall torque (in nm) of the motor (f). if the field voltage is reduced by 1/2, calculate the new no-load speed (in rad/sec)
Answers: 1
Physics, 22.06.2019 01:10
If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .
Answers: 2
Physics, 22.06.2019 07:20
If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =
Answers: 1
In the Earth's mantle, heat is transferred in large convection currents. Within these currents,...
Physics, 06.03.2021 08:50
Social Studies, 06.03.2021 08:50
Business, 06.03.2021 08:50
Mathematics, 06.03.2021 08:50
Mathematics, 06.03.2021 08:50
Mathematics, 06.03.2021 08:50
Mathematics, 06.03.2021 08:50