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 94 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
Wow, this really help

xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Areas of differing productivity and diversity in a wetland. (a) Typha dominates core habitats, while Areas of differing productivity and diversity in a wetland. (a) Typha dominates core habitats, while
The nervous system is described as having two interconnected divisions: the central nervous system ( The nervous system is described as having two interconnected divisions: the central nervous system (
Tides on Earth Tides on Earth
Financial Management: Core Concepts Financial Management: Core Concepts
Simplified diagram of information flow (the central dogma) from DNA to RNA Simplified diagram of information flow (the central dogma) from DNA to RNA
Earth Present Earth Present
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library