× 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
New Topic  
ppk ppk
wrote...
Valued Member
On Hiatus
Posts: 3561
12 years ago
A hoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it starts down a ramp that makes an angle of 25.0° with the horizontal. What is the rotational kinetic energy of the hoop after it has rolled 3.00 m down the ramp?
A) 34.2 J
B) 22.4 J
C) 44.9 J
D) 62.0 J
E) This question cannot be answered without knowing the radius of the hoop.
Read 2890 times
1 Reply

Related Topics

Replies
wrote...
Educator
12 years ago
C
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1351 People Browsing
Related Images
  
 75
  
 510
  
 291
Your Opinion
Who's your favorite biologist?
Votes: 586