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

Author Question: Which of the following situations would be allowed by the second law of thermodynamics? a. running ... (Read 37 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
on: Jul 28, 2018
Which of the following situations would be allowed by the second law of thermodynamics?
 a. running of a heat engine using temperature differences in the oceans
  b. converting 100 joules of heat energy into 100 joules of work
  c. passage of heat from the freezer into the refrigerator section
  d. the reduction of waste heat from a power plant to zero with better technology

Question 2

A boat moves at 10.0 m/s relative to the water. If the boat is in a river where the current is 2.0 m/s, how long does it take the boat to make a complete round trip of 1.00 km upstream followed by a 1.00 km trip downstream?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raenoj

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

208 s


savannahhooper

  • Member
  • Posts: 576
Reply 2 on: Jul 28, 2018
Wow, this really help

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Walking and running in a tetrapod. Walking and running in a tetrapod.
The thermodynamics of protein folding depicted as a free-energy funnel The thermodynamics of protein folding depicted as a free-energy funnel
Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b
Running Running
An intake manifold gasket that failed and allowed coolant to be drawn into the cylinder(s). An intake manifold gasket that failed and allowed coolant to be drawn into the cylinder(s).
Running with Terry Fox Running with Terry Fox
Video: Ear Virtual Tour Animation

For a complete list of videos, visit our video library