« previous next »

Author Question: A hollow steel ball of diameter 3.0 m just barely floats in water. What is the wall thickness of the ... (Read 100 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Jul 29, 2018
A hollow steel ball of diameter 3.0 m just barely floats in water. What is the wall thickness of the ball? (Fe = 7.87 g/cm3, water = 1.00 g/cm3 )
 
  A) 6.6 cm
  B) 37 cm
  C) 131 cm
  D) 79 cm

Question 2

What is the inductive reactance of a 2.50-mH coil at 1000 Hz?
 
  A) 2500
  B) 796
  C) 15.7
  D) 2.50
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

A pair of humpback whales lunge feeding through a bait ball A pair of humpback whales lunge feeding through a bait ball
The dipole nature of a water molecule The dipole nature of a water molecule
Wall mounted aneroid syphygmomanoter Wall mounted aneroid syphygmomanoter
A single overhead camshaft engine with a timing belt that also rotates the water pump. A single overhead camshaft engine with a timing belt that also rotates the water pump.
A 400-g piece of metal at 120°C is dropped into a cup containing 450 g of water A 400-g piece of metal at 120°C is dropped into a cup containing 450 g of water
A solid concrete wall 4.0 m by 2.4 m and 30 cm thick, with a thermal conductivit A solid concrete wall 4.0 m by 2.4 m and 30 cm thick, with a thermal conductivit
Video: Oxygen transport - methods and oxyhemoglobin

For a complete list of videos, visit our video library