Posted by **mo** on Sunday, February 5, 2012 at 11:41pm.

n outer space, far from other objects, block 1

of mass 40 kg is at position

(7,9,0)

and block 2 of mass 1000 kg is at position

(17,13,0)

Since the z components of position are

zero, the (vector) gravitational force acting

on block 2 due to block 1 will be

(-21.359e-9,-8.54198e-9,0)

At 4.6 s after noon both blocks were at rest at

the positions given above. At 4.7 s after noon,

what is the (vector) momentum of block 2?

px,py,pz

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