Author Question: A series RLC circuit has a 100- resistor, 2.0-mH inductor and a 4.0-F capacitor connected across a ... (Read 74 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
A series RLC circuit has a 100- resistor, 2.0-mH inductor and a 4.0-F capacitor connected across a 120-V rms ac source at 1000/ Hz. What is the power factor of this circuit?
 
  A) 0.54 B) 0.94 C) 0.64 D) 0.84 E) 0.74

Question 2

An 80-kg man is skating northward and happens to suddenly collide with a 20-kg boy who is ice skating toward the east.
 
  Immediately after the collision, the man and boy are seen to be moving together at 2.5 m/s in a direction 60 north of east. How fast was the boy moving just before the collision?



cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

C

Answer to Question 2

6.3 m/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

For a complete list of videos, visit our video library