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

Author Question: A weightless spring is stretched 10 cm by a suspended 1-kg block. If two such springs are used to ... (Read 142 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
A weightless spring is stretched 10 cm by a suspended 1-kg block. If two such springs are used to suspend the block, one spring above the other, to effectively provide one double-length spring, then the total stretch of the double-length spring will be
 
  A) 5 cm.
  B) 10 cm.
  C) 20 cm.
  D) 30 cm.
  E) none of the above

Question 2

An un-stretched hanging spring is 50 cm long. Suspending a 100-N block from it increases its length to 60 cm. Adding another 100-N block makes the spring's length
 
  A) 60 cm.
  B) 70 cm.
  C) 80 cm.
  D) 100 cm.
  E) 120 cm.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuwy

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


lilldybug07

  • Member
  • Posts: 546
Reply 2 on: Jul 29, 2018
Wow, this really help

EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Carolina Spring Beauty Carolina Spring Beauty
Catherine Opie, Untitled #13 (Spring), from Somewhere in the Middle. Catherine Opie, Untitled #13 (Spring), from Somewhere in the Middle.
A camshaft position actuator used in a cam-in-block engine. A camshaft position actuator used in a cam-in-block engine.
Group that may block N-terminus and C-terminus Group that may block N-terminus and C-terminus
The graph of y = sqrt(x) is vertically stretched by a factor The graph of y = sqrt(x) is vertically stretched by a factor
Video: Humerus Adduction Animation

For a complete list of videos, visit our video library