A 48 kg ballet dancer stands on her toes during a performance with 26.5 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 is jumping upwards with an acceleration of 4.41 m/s2
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Physics, 22.06.2019 13:50, demitae8839
9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.
Answers: 1
Physics, 22.06.2019 23:00, katelynn73
Amother used 150 watts of power to raise a 15 newton object in a time interval of 8.0 seconds. through what vertical distance was the object raised ?
Answers: 1
A 48 kg ballet dancer stands on her toes during a performance with 26.5 cm2 in contact with the floo...
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