This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: One observation that suggests that the Earth has a dense central core is that A) the Earth has ... (Read 93 times)

jasdeep_brar

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
One observation that suggests that the Earth has a dense central core is that
 
  A) the Earth has plate tectonics
  B) surface rocks have the same density as the overall density of the planet
  C) surface rocks have a lower density than overall density of the planet
  D) surface rocks have a higher density than the overall density of the planet

Question 2

The current through a 50.  resistor is I = 0.80 sin (240. t) amperes.
 
  (a) At what frequency does the current vary?
  (b) How much power is dissipated in the resistor?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Perkypinki

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

(a) 38. Hz
(b) 16. W


jasdeep_brar

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Possible Earth 5 billion years from now Possible Earth 5 billion years from now
Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind
Moon and Earth Moon and Earth
Geopolitical Issues in Central Asia Geopolitical Issues in Central Asia
Earth Atmosphere Earth Atmosphere
Wavelengths that penetrate the earth's atmosphere Wavelengths that penetrate the earth's atmosphere
Video: Secondary Active Transport

For a complete list of videos, visit our video library