Friday
December 19, 2014

Homework Help: physics

Posted by sandhu on Thursday, November 25, 2010 at 10:02am.

Posted by sandhu on Thursday, November 25, 2010 at 6:23am.


A block starts with a speed of 18.0 m/s and slides for a distance of 2.2 m down a 40° ramp (ěk = 0.43). What is its final speed? (m/s)



physics - drwls, Thursday, November 25, 2010 at 9:19am
Final KE = PE loss - (work done against friction)
(1/2)M V^2 = M g L sin40 - M g L cos40*0.43
L = 2.2 m. Cancel out the M's and solve for V^2.



physics - sandhu, Thursday, November 25, 2010 at 9:44am
What about the initial speed of 18.0 m/s when it starts?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - Posted by sandhu on Sunday, November 28, 2010 at 10:03pm. A 7200 lb ...
physics - Posted by sandhu on Tuesday, November 30, 2010 at 7:38pm. Posted by ...
physics - Posted by sandhu on Wednesday, November 24, 2010 at 4:29am. The ...
physics - Posted by sandhu on Tuesday, November 30, 2010 at 1:17am. A T is made ...
Physics-bobpursleyplease check - This is the question I posted about two hours ...
Physics-bobpursley please check - This is the question I posted about two hours ...
English - Posted by rfvv on Thursday, November 25, 2010 at 3:23am. 1. You can't ...
physics - Posted by michelle quendarsv on Saturday, November 20, 2010 at 5:26pm...
Physics - A 4 kg block slides down a frictionless incline making an angle of 60...
physics - A block starts with a speed of 18.0 m/s and slides for a distance of 2...

Search
Members