What force must runner exert to achieve acceleration
An 80kg runner accelerates out of the starting blocks at 2.0m/s squared. He reaches his top speed in 10 seconds. What force must the runner exert that he can achieve his acceleration?
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A long-distance power line that has a resistance of 90. What percentage of the power delivered by the generator is dissipated as heat in the power line?
A chair of mass 10.0 is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force = 38.0 that is directed at an angle of 39.0 below the horizontal and the chair slides along the floor.
Identify each stage of Erikson's Eight Stages of Development. Determine which stage you currently fall into and why. If you do not think you fall into any, then theorize. Briefly explain yourself.
How and why did the American oil companies, Socal (Chevron) and Texaco, gain the oil concession in Saudi Arabia, as opposed to the other major oil companies?
Discuss and compare the different primary election structures. Be sure to include the role of runoff primary in some states.
Examine the social constructs of feeling, gender, and humor. How do these relate to the presentation of self? Provide examples that show the correlation between the influence of society and how we present ourselves.
Suppose we have an infinitely long wire carrying a current of 4.0 A. It is bent into an L-shape extending into positive infinities along the x- and y- axes. Find the magnitude of the magnetic field at a point P with coordinates (0.2 m, 0.2 m).
After the explosion one of the masses has a velocity of 3.0 m/s at an angle of 60° north of east. What is the magnitude of the velocity of the other mass after the explosion?
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