Volume of a spherical beach ball
What is the percent uncertainty in the volume of a spherical beach ball whose radius is r = 3.84 0.10 m?
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A 50.0-kg ballet dancer stands on her toes during a performance with four square inches (26.0 cm2) in contact with the floor. What is the pressure exerted by the floor over the area of contact (a) if the dancer is stationary and (b) if the dancer
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A world-class sprinter accelerates to his maximum speed in 3.8 s. He then maintains this speed for the remainder of a 100-m race, finishing with a total time of 10.3 s. What is the runner's average acceleration during the first 3.8 s?
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