This topic contains a solution. Click here to go to the answer

Author Question: What is currently included in the study of geology? a)only investigations involving rocks and ... (Read 84 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
What is currently included in the study of
  geology?
  a)only investigations involving rocks and minerals
  b)only data on the structure and composition of Earth
  c)investigation of the composition, structure, and history of all planets and moons in our solar system
  d)all studies of matter in any form throughout the entire universe

Question 2

A 3.0-kg mass is dropped from the edge of a 50-m tall building with an initial speed of zero. The mass strikes the ground with a downward velocity of 25 m/s. Find the change in mechanical energy of the mass caused by air resistance between the point where it is dropped and the point where it strikes the ground?
 a. 0.46 kJ
  b. 0.53 kJ
  c. 0.61 kJ
  d. 0.38 kJ
  e. 0.81 kJ



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

scottmt

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

c

Answer to Question 2

b




leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 28, 2018
Gracias!


epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

For a complete list of videos, visit our video library