What should be the speed of a tennis ball
A car having a mass of '1000.0 kg' is moving at a speed of '12.0 m/s'. What should be the speed of a tennis ball having a mass of '0.06 kg' when it consists to encompass the similar kinetic energy as the car?
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A compound lens assembly consists of 2 lenses which are 5 cm apart with the focal lengths of a 135 cm and 275 cm. Determine the focal length and back focal length for this assembly?
A box of mass '2000.0 g' is at rest on the top of a building '200.0 m' tall. The box is then allowed to drop. Determine the velocity of the box if it has fallen by '80.0m'. Employ only energy considerations and suppose free fall.
A researcher was asked to conduct the quick survey in three large cities to determine what political issues or problems were of primary significance to the voters.
It was hypothesized that sensory deprivation inhibits the intellectual development of animals. To test this hypothesis an experimenter used two rats
Actual manufacturing overhead cost incurred was $74,000 and manufacturing overhead cost applied to Work in procedure was given $70,000. Adjusted cost of goods sold which would appear on income statement for November is?
A ball of 49 g comprises of a plastic spherical shell and a water-filled core. The shell consists of an outside diameter equivalent to 57.2 mm and an inside diameter equivalent to 16.2 mm. Determine the density of the plastic?
Determine how far from the thin lens is the image of the cat due merely to the thin lens and the left refracting surface of the glass ball? Determine how far from the thin lens is the final image of the cat as viewed by the observer?
Determine the margin of error in a survey using random sample of 400 people? Show your formula and calculations.
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