Qualification > Math
All Mechanics DOUBTS HERE!!!
MasterMath:
I can help , give me a sec to look at the question!
MasterMath:
CONFRIMED , I got the same answers as The Mysterious Dude
halosh92:
--- Quote from: halosh92 on May 04, 2010, 04:10:08 pm ---two particles P and Q of masses 1kg and 2kg respectively are hanging from the ends of alight inextensible string which passes over a smooth fixed pulley. the system is released from rest with both particles a distance 1.5m above a floor. when the masses have been moving fir 0.5 s the string breaks. find the furthur time that elapses before P hits the floor
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--- End quote ---
can someone solve this in more details please??
Sue T:
jan 2007:
can ny1 solve the last question 7(f)?
halosh92:
a particle A of mass "m" which can move on the rough surface of an inclined plane at an angle X to the horizontal.
where X=arcsin 0.6
a second particle B of mass "2m" hangs freely attached to a light inextensible string which passes over a smooth pulley fixed at P. the other end of the string is attached at A . the coefficient of friction between A and the plane is 1/4.
B is initially hanging 1m above the ground and A is 2m from the pulley. when the system is released from rest with the string taut A moves up the plane
a) find the initial acceleration of A
b) calculate the total distance moved by A before it first comes to rest.
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