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k access, place your bookmarks here on the bookmarks bar. Import bookmarks now... (c) How much time is required to cross the river? Submit Answer Save Progress 14. 14 points The radius of the earth's orbit around the sun (assumed to be circular) is 1.50 x 108 km, and the earth travels around this orbit in 365 days. (a) What is the magnitude of the orbital velocity of the earth in m/s? m/s (b) What is the radial acceleration of the earth toward the sun in m/s2? m/s2 (c) Repeat parts (a) and (b) for the motion of the planet Saturn (orbit radius 1.43 x 109 km, orbital period 29.45 years). orbital velocity radial acceleration m/s m/s2 15. 313 points I Previous Answers A model of a helicopter rotor has four blades, each 3.80 m long from the central shaft to the blade tip. The model is rotated in a wind tunnel at 620 re (a) What is the linear speed of the blade tip, in m/s? 246.719m/s (b) What is the radial acceleration of the blade tip expressed as a multiple of the 1.63e3 acceleration of gravity, 9? O tangent to the circular path of the blades toward the central shaft O away from the central shaft

Answer 1