« previous next »

Author Question: A high-voltage transmission line carries 500 A at 700 kV for a distance of 100 miles. If the ... (Read 36 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
on: Jul 28, 2018
A high-voltage transmission line carries 500 A at 700 kV for a distance of 100 miles. If the resistance in the wire is 1 W/mile, what is the power loss due to resistive losses?
 a. 250 MW
  c. 25 MW
  b. 2.5 kW
  d. 25 kW

Question 2

An ice skater spins at 3.5 rev/s with his arms are extended. He draws his arms in and spins at 8.3 rev/s. By what factor does his moment of inertia change in the process?
 a. 2.4
  c. 0.42
  b. 0.58
  d. 0.12


mcinincha279

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
Reply #2 on: Jul 28, 2018
Thanks


mcinincha279

  • Sr. Member
  • ****
  • Posts: 316
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

In 1885 masked Nebraskans seeking access to water posed for photographer S. D. Butcher, who captione In 1885 masked Nebraskans seeking access to water posed for photographer S. D. Butcher, who captione
A downward-sloping spark line usually indicates high secondary ignition system resistance or an ... A downward-sloping spark line usually indicates high secondary ignition system resistance or an ...
Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ... Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ...
Transmission of a neural impulse across a synapse, such as a cholinergic synapse Transmission of a neural impulse across a synapse, such as a cholinergic synapse
Beau’s line Beau’s line
Rapid, long-distance signaling in plants Rapid, long-distance signaling in plants
Video: Bone cells and tissues - tissue composition and cells

For a complete list of videos, visit our video library