« previous next »

Author Question: A very lightweight horizontal loop of wire is suspended from a fine spring, lowered into water, and ... (Read 17 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
A very lightweight horizontal loop of wire is suspended from a fine spring, lowered into water, and then raised to the surface. Any further attempt to raise it causes the spring to
 
  A) stretch.
  B) contract.
  C) stay the same.

Question 2

Surface tension of liquids
 
  A) increases when wetting agents are added.
  B) decreases as the liquid temperature increases.
  C) is about the same for all liquids.
  D) results from a thin molecular membrane beneath the liquid surface.
  E) keeps steel ships afloat.


djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

The roles of transpiration, cohesion, adhesion, and tension in long-distance water transport. The roles of transpiration, cohesion, adhesion, and tension in long-distance water transport.
The Water Cycle The Water Cycle
Shallow-water systems are highly productive Shallow-water systems are highly productive
Water-Soluble Vitamins Act as Coenzymes in Metabolic Processes Water-Soluble Vitamins Act as Coenzymes in Metabolic Processes
A rigid circular loop has a radius of 0.20 m and is in the xy-plane. A clockwise current I is ... A rigid circular loop has a radius of 0.20 m and is in the xy-plane. A clockwise current I is ...
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Video: Vascular tissues in a corn stem and a buttercup root

For a complete list of videos, visit our video library