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

Author Question: Physics could best be described as the study of A) atoms in motion. B) matter. C) the general ... (Read 57 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
on: Jul 29, 2018
Physics could best be described as the study of
 
  A) atoms in motion.
  B) matter.
  C) the general principles underlying natural phenomena.
  D) the application of science to the needs of human beings.
  E) the absolute, or certain, truths about the natural world.

Question 2

A 910-kg object is released from rest at an altitude of 1200 km above the north pole of the earth. If we ignore atmospheric friction, with what speed does the object strike the surface of the earth?
 
  (G = 6.67  10-11 N  m2/kg2, Mearth = 5.97  1024 kg, the polar radius of the earth is 6357 km)
  A) 4.5 km/s
  B) 2.2 km/s
  C) 2.7 km/s
  D) 3.2 km/s
  E) 4.8 km/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

b614102004

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


strangeaffliction

  • Member
  • Posts: 660
Reply 2 on: Jul 29, 2018
:D TYSM

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

"Dark Matter" "Dark Matter"
Stages of General Anesthesia Stages of General Anesthesia
Since 1991, General Motors engines have been equipped with slightly (1/8 inch or 3 mm) longer spark ... Since 1991, General Motors engines have been equipped with slightly (1/8 inch or 3 mm) longer spark ...
Areas of sclerosis (see arrows) in the white matter of a patient with MS. Areas of sclerosis (see arrows) in the white matter of a patient with MS.
Physics Physics
General Mathematics - Finding the Range of a Function General Mathematics - Finding the Range of a Function
Video: Secondary and tertiary levels of protein structure Animation

For a complete list of videos, visit our video library