Author Question: A 1-kg rock is suspended from the tip of a horizontal meterstick at the 0-cm mark so that the ... (Read 34 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
A 1-kg rock is suspended from the tip of a horizontal meterstick at the 0-cm mark so that the meterstick barely balances like a seesaw when its fulcrum is at the 12.5-cm mark. From this information, the mass of the meterstick is
 
  A) 1/4 kg.
  B) 1/2 kg.
  C) 3/4 kg.
  D) 1 kg.
  E) none of the above

Question 2

A 1-kg rock is suspended from the tip of a horizontal meterstick at the 0-cm mark so that the meterstick barely balances like a seesaw when its fulcrum is at the 25-cm mark. From this information, the mass of the meterstick is
 
  A) 1/4 kg.
  B) 1/2 kg.
  C) 3/4 kg.
  D) 1 kg.
  E) none of the above



ultraflyy23

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

Answer: E

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

For a complete list of videos, visit our video library