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

Author Question: A crane lifts a steel submarine (density = 7.8 103 kg/m3 ) of mass 20,000 kg. What is the tension ... (Read 241 times)

iveyjurea

  • Hero Member
  • *****
  • Posts: 555
A crane lifts a steel submarine (density = 7.8  103 kg/m3 ) of mass 20,000 kg. What is the tension in the lifting cable:
 
  (a) when the submarine is submerged?
  (b) when it is entirely out of the water?

Question 2

The diameter of the sun is 13.9  108 m, and the distance from the Earth to the sun is 1.5  1011 m. How long does it take for the sun to disappear after it touches the horizon?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

(a) 1.71  105 N
(b) 1.96  105 N

Answer to Question 2

2.1 min





 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library