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Q. A research study has suggested that changes in hours worked over time are due, in part, to changes in tax rates. "If taxes and (government expenditures) are high, that may lead to less work," said one of the researchers. Supporting his theory, since 2001, workers in the United States have enhancement their hours worked while tax rates have dropped. What theory or theories of motivation might describe such a change?
How long would it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 324.
A 40 g rifle bullet travelling 260 m/s buries itself in a 4.0 kg pendulum hanging on a 3.0 m long string, which makes the pendulum swing upward in an arc. Find out the vertical and horizontal components of pendulum's displacement.
A 36.0 g bullet moving at 478 m/s strikes a 3.7 kg bag of flour that is on ice, at rest. The bullet passes during the bag, leaving at 255 m/s. How fast is the bag moving when the bullet exits.
An ocean liner leaves New York City and travels 13° north of east for 268 km. How far east and how far north has it gone? In other words, what are magnitudes of the components of the ship's displacement vector in the following directions.
Three stars, each with the mass and radius of our sun, form the equilateral triangle 5.0×109 {rm m} on a side. If all three are simultaneously released from rest, what are their speeds as they crash together in the center.
The loaded cab of an elevator has a mass of 3.7 x 10^3 kg and moves 228 m up the shaft in 21 s at constant speed. At what average rate does the force from the cable do work on the cab.
A 1050kg car carrying four 78kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes car to bounce on its spring suspension.
If the coefficient of kinetic friction between the box and the roof is 0.55, with what speed must you push the box to have it gently come to rest right at the edge of the roof.
Compute the acceleration of each box decide maximum distance the car rolls up the hill
Find out the maximum distance d (along the ladder) that the monkey can climb up ladder before the rope breaks.
A particle oscillates with S.H.M. The maximum displacement from its mean position is 0.5 meter and frequency of motion is 10 Hz. at time t=0, particle is located at 0.15 meter and has the velocity of 24.0 m/s towards the negative x-axis.
Portray how asynchronous simulation can be used to predict the motions of this system and outline the data structures that would be necessary to implement such a program.
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