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August 29, 2014

Homework Help: physics

Posted by Joey on Wednesday, January 5, 2011 at 9:30am.

At the instant the displacement of a 2.00 kg object relative to the origin is d = (2.00 m) + (4.00 m) - (3.00 m) , its velocity is v = - (5.50 m/s) + (2.90 m/s) + (3.20 m/s) , and it is subject to a force F = (5.70 N) - (7.80 N) + (3.80 N) .
(a) Find the acceleration of the object.
( 1 m/s2) + ( 2 m/s2) + ( 3 m/s2)

(b) Find the angular momentum of the object about the origin.
( 4 kg m2/s) + ( 5 kg m2/s) + ( 6 kg m2/s)

(c) Find the torque about the origin acting on the object.
( 7 N m) + ( 8 N m) + ( 9 N m)

(d) Find the angle between the velocity of the object and the force acting on the object.
10

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