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Unformatted text preview: the lead car? (d) How long does it take for
the chasing car to stop?
Problem 8: A hot air balloon has just lifted oﬀ and is rising at the constant rate of 1 .30 m/s.
Suddenly, one of the passengers realizes she has left her camera on the ground. A friend picks
it up and tosses it straight upward with an initial speed of 10 .0 m/s. (a) If the passenger is
2 .50 m above her friend when the camera is tossed, how much time does it take for the camera
to reach her? (b) How high is the passenger when the camera reaches her?
Copyright c 2012 University of Georgia. Unauthorized duplication or distribution prohibited. Physics 1111
Spring 2012 PS #2 Problems
Page 2 of 2 Problem 9: A lighthouse that rises h1 = 50 .4 ft above the surface of the water sits on a rocky
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