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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 many J of energy must be removed when 156 g of steam, at a temperature of 175.0 °C, is cooled and frozen into 156 g of ice at 0 °C.
A dockworker applies a constant horizontal force of 79.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 15m in a time 4.50s. What is the mass.
On a cool morning, when the temperature is 16 deg Celsius, you measure the pressure in your car tires to be 20.0 psi. After driving 40 mi on the freeway, temperature of your tires is 56.0 deg Celsius. What pressure will your tire gauge now show.
How fast will the electron be moving. What was his average speed (in m/s) for the race.
W hat is crates acceleration
On planet Tehar, the free-fall acceleration is the identical as that on Earth, but there is also a strong downward electric field that is uniform close to the planet's surface.
Assume 3 mol of neon (an ideal monatomic gas) at STP is compressed slowly and isothermally to 0.25 the original volume. The gas is then allowed to expand quickly and adiabatically back to its original volume.
At what angle to the surface must a diver submerged in a lake look toward surface to see the setting Sun just all along the horizon.
What is the Acceleration of an object moving on a circular track
A scuba diver is 48 m below the surface of a lake, where the temperature is 5°C. He releases an air bubble with a volume of 17cm3. The bubble rises to the surface.
A 60.0-kg skater begins a spin with an angular speed of 6.0 rad/s. By changing the position of her arms, the skater decreases her moment of inertia by 50%. Find the skater's final angular speed?
A constant horizontal force Fa pushes a 2 kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn. It gives package's x and y velocity components versus time t. What is the magnitude of Fa.
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