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

Author Question: A spring with a spring constant of 2500 N/m. is stretched 4.00 cm. What is the work required to ... (Read 252 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
A spring with a spring constant of 2500 N/m. is stretched 4.00 cm. What is the work required to stretch the spring?
 
  A)
 
  4.00 J
 
  B)
 
  0 J
 
  C)
 
  1.00 J
 
  D)
 
  3.00 J
 
  E)
 
  2.00 J

Question 2

What power contact lens should be used to correct the vision of a farsighted person whose near point is 80 cm to see something clearly at a distance of 25 cm?
 
  A)
 
  2.8 diopters
  B)
 
  -2.8 diopters
  C)
 
  -4.0 diopters
  D)
 
  -4.2 diopters
  E)
 
  4.2 diopters


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

A


codyclark

  • Member
  • Posts: 538
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

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

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Shortly after his death, George Washington had already become myth—part Moses, part angel—in this wo Shortly after his death, George Washington had already become myth—part Moses, part angel—in this wo
Guo Xi, Early Spring. Guo Xi, Early Spring.
Ford spring-lock connectors require a special tool for disassembly. Ford spring-lock connectors require a special tool for disassembly.
Spring force, crankcase pressure, and intake manifold vacuum work together to regulate the flow rate ... Spring force, crankcase pressure, and intake manifold vacuum work together to regulate the flow rate ...
How many grams of NO are required to produce 145 g of N2 in the following reaction? 4NH3 + 6NO ... How many grams of NO are required to produce 145 g of N2 in the following reaction? 4NH3 + 6NO ...
An automobile engine provides 524 Joules of work to push the pistons and generates 2160 Joules ... An automobile engine provides 524 Joules of work to push the pistons and generates 2160 Joules ...
Video: Neural regulation of mechanical digestion- CNS voluntary, ANS & ENS controlled involuntary movements

For a complete list of videos, visit our video library