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 172 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
:D TYSM

cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

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.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Female Wood Duck at Crystal Springs Rhododendron Garden, Oregon, U.S. Female Wood Duck at Crystal Springs Rhododendron Garden, Oregon, U.S.
The Warm Mineral Springs individuals from Florida may be among the earliest Paleo-Indian skeletal re The Warm Mineral Springs individuals from Florida may be among the earliest Paleo-Indian skeletal re
Block open the throttle (and choke, if the engine is equipped with a carburetor). Here a screwdriver ... Block open the throttle (and choke, if the engine is equipped with a carburetor). Here a screwdriver ...
A capless system from a Ford Flex does not use a replaceable cap and instead is spring-loaded ... A capless system from a Ford Flex does not use a replaceable cap and instead is spring-loaded ...
Aspirin and most other NSAIDs block prostaglandins. Aspirin and most other NSAIDs block prostaglandins.
Rub for at least 15 seconds. Particles and pathogens become suspended in the soapy lather and are ... Rub for at least 15 seconds. Particles and pathogens become suspended in the soapy lather and are ...
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library