Find kinetic energy when frictional force has a magnitude
A 65.5 kg circus performer slides 4.15 m down a pole to the circus floor, starting from rest. (b) What is her kinetic energy when the frictional force has a magnitude of 520 N?
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A hypothetical molecule, X-Y, has a dipole moment of 1.64 D and a bond length of 165 pm. Calculate the percent ionic character of this molecule.
Discuss the importance of communication and information exchange to project success. What are the crucial features and elements of effective communication and information exchange in successful projects?
The disk has a mass of 200 kg and a radius of 2.0 m. A 42- kg child rides at the center of the merry-go-round while a playmate sets it turning at 0.10rpm. How fast will the disk be turning (in rpm)?
The vapor pressure of water is 28.3 torr at 29°C if a reaction at that temperature produces CO2 which is collected over water at a total pressure of 576 torr, what is the partial pressure of oxygen collected?
Summarize the successes and failures of industrial capitalism in terms of its impact on late 19th century society. Who did industrial capitalism serve and who did it exploit?
A force of 5.3 N is needed to hold on to an umbrella in a strong wind. If the air molecules each have a mass of 4.7 × 10-26 kg, and each strikes the umbrella (without rebounding) with a speed of 2.0 m/s in the same direction, how many atoms
What are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor?
What are the strategies used for healthcare reform in the US. Explain what strategies have beeneffective or not?
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