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 91 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

Perkypinki

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

The Sun as it appears from the surface of the Earth at Sunset. The Sun as it appears from the surface of the Earth at Sunset.
Temperature Profile of Earth’s Atmosphere Temperature Profile of Earth’s Atmosphere
Benvenuto Cellini, Saltcellar: Neptune (Sea) and Tellus (Earth). Benvenuto Cellini, Saltcellar: Neptune (Sea) and Tellus (Earth).
The major human endocrine glands and their central nervous system control centers The major human endocrine glands and their central nervous system control centers
Assessment of central venous pressure Assessment of central venous pressure
Earth-Moon-Sun Positions during the Neap Tide Earth-Moon-Sun Positions during the Neap Tide
Video: How Hemoglobin Picks Up and Delivers Oxygen

For a complete list of videos, visit our video library