× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Physics Astronomy
New Topic  
Eminoa Eminoa
wrote...
Go to Answer
Posts: 491
Rep: 1 0
6 years ago
A hunter points a rifle horizontally 3.30 m above the ground. The bullet leaves the barrel at 325. m/s.
 
  (a) How long did it take for the bullet to strike the ground?
  (b) How far horizontally did it travel?

Question 2

A mass is attached to a vertical spring and bobs up and down between points A and B. Where is the mass located when its kinetic energy is a maximum?
 
  A) at either A or B
  B) midway between A and B
  C) one-fourth of the way between A and B

Question 3

When the first law of thermodynamics, Q = u + W, is applied to an ideal gas that is taken through an adiabatic process,
 
  A) u = 0.
  B) W = 0.
  C) Q = 0.
  D) it is not true that u = 0 or W = 0 or Q = 0.

Question 4

A charged capacitor stores energy, and when the Teflon dielectric between the plates is pulled out the energy stored more than doubles. Where did the extra energy come from?
 
  What will be an ideal response?
Read 134 times
3 Replies
Replies
Answer verified by a subject expert
butterflybutterfly
wrote...
#1
Top Poster
Posts: 502
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Eminoa Author
wrote...
#2
6 years ago
Easily the best answer Grinning Face with Smiling Eyes
wrote...
#3
6 years ago
If so, mark it solved Smiling Face with Glasses
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1257 People Browsing
 102 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 161
  
 18313
  
 170
Your Opinion
Where do you get your textbooks?
Votes: 372
Previous poll results: Should Ph.D.'s be addressed as doctors?