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Physics
A machine carries a 4.5 kg package from an initial position of di = (0.50 m) + (0.75 m) + (0.20 m) at t = 0 to a final position of df = (7.60 m) + (12.0 m) + (7.30 m) at t = 11 s. The constant force applied by the machine on the
asked by Ben on July 22, 2010 
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A machine carries a 3.0 kg package from an initial position of di = (0.50 m) + (0.75 m) + (0.20 m) at t = 0 to a final position of df = (7.30 m) + (11.0 m) + (7.20 m) at t = 14 s. The constant force applied by the machine on the
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If an object is thrown vertically upward with an initial velocity of v, from an original position of s, the height h at any time t is given by: h=16t^2+vt+s(where h and s are in ft, t is in seconds and v is in ft/sec) A package
asked by Kelsey on April 29, 2012 
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The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in
asked by jojo on April 30, 2007 
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The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in
asked by clara on May 3, 2007 
maths
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in
asked by k on May 6, 2007 
maths
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in
asked by k on April 23, 2007 
maths
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin(pie t), where d is the horizontal distance (in cm)
asked by katie on April 23, 2007 
Advanced Maths (Vectors) AQA Level, please help
An aircraft is traveling horizontally in an easterly direction at a height of 400 m above level ground and at a speed of 120 m/s. when it is directly above the observer, M, it releases a package. In relation to origin O and to x
asked by Jat on February 26, 2012 
math
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in
asked by jojo on April 30, 2007