b-sh-b
01-12-2007, 14:54
:confused: السلام عليكم ورحمة الله وبركاته
أتمنى تساعدوني في حل المسألة في أسرع وقت:)
A sack of flour of mass 4.50Kg is lifted vertically at a constant speed of
3.80m/s through a hight of 11.0m...
How great a force is required?
How much work is done on the sack by the lifting force?
بليز بسرعة:)
:) :) :) :) :confused: :confused: :) :) :) :)
أتمنى تساعدوني في حل المسألة في أسرع وقت:)
A sack of flour of mass 4.50Kg is lifted vertically at a constant speed of
3.80m/s through a hight of 11.0m...
How great a force is required?
How much work is done on the sack by the lifting force?
بليز بسرعة:)
:) :) :) :) :confused: :confused: :) :) :) :)