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May 1, 2016

# Homework Help: College Level Physics

Posted by Devin on Sunday, June 9, 2013 at 4:21pm.

A horse pulls a cart with a force of 145 newtons at an angle of 30 degrees above the horizontal and moves along at a speed of 2.5 m/s. How much work to the nearest kJ does the force do in 6 minutes?
• College Level Physics - Henry , Tuesday, June 11, 2013 at 2:29pm

d = 2.5m/s * 6min*60s/min = 900 m.

Work = F*d = 145cos30 * 900 = 443,856 J.
= 444 kJ.

• petroleum engineering physics - daniel, Wednesday, June 12, 2013 at 6:48pm

Vector A has a magnitude of 5.00units,and B has a magnitude of 9.00units.The two vectors make an angle of 50.0degrees with each other .Find A.B.

• College Level Physics - Ben Dover, Thursday, June 13, 2013 at 2:00pm

Well' Im M Opinion U Should Drop Out Of Tht School Bc This Problem Is Way Too Hard and Impossible To Answer. And I Went To Harvard! SMFHHHHHHHHHHHHHH

• College Level Physics - Mike Hunt, Thursday, June 13, 2013 at 2:04pm

Yo Ben LMFAOOOOOOOOOO