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

Author Question: Matter composed in such a way that all samples of it have a fixed composition and identical ... (Read 59 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
on: Jul 28, 2018
Matter composed in such a way that all samples of
  it have a fixed composition and identical properties
  is classified as
   a) a pure substance.
   b) a mixture.
   c) an allotrope.
   d) a saturated solution.

Question 2

A pendulum consists of a 2.0-kg block hanging on a 1.5-m length string. A 10-g bullet moving with a horizontal velocity of 900 m/s strikes, passes through, and emerges from the block (initially at rest) with a horizontal velocity of 300 m/s. To what maximum height above its initial position will the block swing?
 a. 32 cm
  b. 38 cm
  c. 46 cm
  d. 27 cm
  e. 9 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bhavsar

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

c


chandani

  • Member
  • Posts: 541
Reply 2 on: Jul 28, 2018
Gracias!

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th
A, Unequal pupils; B, dilated, fixed pupils. A, Unequal pupils; B, dilated, fixed pupils.
Young Circumstellar Disks of Matter Young Circumstellar Disks of Matter
Average Chemical Composition of the Geosphere Crust Average Chemical Composition of the Geosphere Crust
The Chemical Structure of DNA DNA is composed of nucleotide pairs. The Chemical Structure of DNA DNA is composed of nucleotide pairs.
Sample composition of maternal and paternal HLA haplotypes. Sample composition of maternal and paternal HLA haplotypes.
Video: Global warming and its effect on climate change

For a complete list of videos, visit our video library