Chapter 3.4, Problem 13E

TRI 当澳 團 車 團 Assume the acceleration of the object is a(t) = -32 feet per second per second. (Neglect air resistance.) A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant when the balloon is 32 feet above the ground. (a) How many seconds after its release will the bag strike the ground? (Round your answer to two decimal places.) sec (b) At what velocity will it strike twe ground? (Round your answer to three decimal places.) V = ft/sec SI Need Help? Read It SEE DE OFFE Show My Work Optional) ? Submit Answer View Previous Question Question 42 of 51 View Next Question Home My Assignments E Request Extension 呂回 國 以 X

A woman drives 10 miles, accelerating uniformly from rest to 60 mph. (a) Graph her velocity versus time. Velocity 60 Velocity t 60 Velocity 60 L. V t time (b) How long does it take for her to reach 60 mph? hr Velocity time 60 t t time time