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Science-Related Homework Help Astronomy Topic started by: khalasar99 on Mar 19, 2018



Title: A trombone or a trumpet can be considered a(n) :
Post by: khalasar99 on Mar 19, 2018
A trombone or a trumpet can be considered a(n)
 
  A) open organ pipe.
  B) closed organ pipe.

Question 2

A long telephone pole (wood density 0.80 kg/m3 ) is vertically lowered into a slightly larger vertical pipe which is filled with salt water of density 1.04 kg/m3. The pole ends up floating with what percent of the pole above the water?
 
  What will be an ideal response?

Question 3

A plane flying horizontally at a speed of 50.0 m/s and at an elevation of 160. m drops a package of supplies. Two seconds later it drops a second package. How far apart will the two packages land on the ground?
 
  A) 100. m
  B) 67.7 m
  C) 283. m
  D) 162. m
  E) 177. m

Question 4

0.45 kg of a metal at 90.C is added to 0.40 kg of water at 20.0C.
 
  (a) If the final temperature of the mixture is 26.C, what is the specific heat of the metal?
  (b) If the water container has a significant heat capacity, will this increase or decrease the metal
   specific heat determined in part agiven the same data?

Question 5

As global warming progresses, the
 
  A) landmasses will warm the most
  B) equatorial regions will warm the most
  C) polar regions will warm the most
  D) oceans will warm the most


Title: A trombone or a trumpet can be considered a(n) :
Post by: leanicole22 on Mar 19, 2018
Content hidden


Title: A trombone or a trumpet can be considered a(n) :
Post by: khalasar99 on Mar 19, 2018
Oh god, I was lost before coming here. Thanksss


Title: A trombone or a trumpet can be considered a(n) :
Post by: leanicole22 on Mar 19, 2018
Great, make sure you mark the topic solved, it hides it from other eyes :)