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Plastics Engineering Inc., a developer of advanced belt drive components, recently began manufacturing sprockets made of polyacetal plastics that are approved for direct food contact. The company claims that high-precision manufacturing allows for greater belt life, eliminating costs associated with replacing belts. If Kraft Foods estimates that maintenance down time costs the company an average of $12,000 per quarter, how much can the company afford to spend now if the new sprockets would cut their cost to $2000 per quarter? Assume Kraft Foods uses an interest rate of 12% per year com- pounded quarterly and a 2-year cost recovery period.
Estimate the maximum centrifugal and coriolis forces that you would experience on a ferris wheel in Melbourne, FL. How does this compare with gravity? (Please use the earth's surface as the reference frame).
A weight lifter pushes dumbbells of total mass 20 kg upward with a force of just a little more than the weight of the dumbbells a distance of 1.2 meters. how many repetitions does he have to do
A wire has a length of 8.80 10-2 m and is used to make a circular coil of one turn. find the maximum torque that this coil can experience
An uncharged nonconductive hollow sphere of radius 12.0 cm surrounds a 14.0 µC charge located at the origin of a Cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. Compute t..
A plane accelerates from rest at a constant rate of5.00 m/s^2 along a runway that is1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway.
A ball is shot from the ground into the air. At a height of 10.60 m, the velocity is observed to be v = (8.60 m/s) i + (6.50 m/s) j
Three point charges are located on the positive x-axis of a coordinate system. Charge q1 = 2.0 nCis 2.0 cm from the origin, What is the net force
In a data set obtained from a group of 50 individuals a correlation is obtained. If ∑ZxZy is found to be 41.3, what is the correlation between the two variables
In a ballistics test, a 25.0g bullet traveling horizontally at 1200m/s goes through a 40.0cm -thick 350kg stationary target, What average force does the bullet exert on the target
A galaxy observed to have a red shift corresponding to a velocity of 7500km/sec. How big is the universe now compared to it's size when the light was emitted
a child operating a radio-controlled model car on a dock accidentally steers it off the edge. the cars displacement 1.0
A 200-turn circular loop of radius 55 cm is vertical, with its axis on a line running east to west. What is the magnitude of the torque on the loop
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