A package containing emergency medical supplies is dropped b…

A package containing emergency medical supplies is dropped by a Red Cross helicopter in a remote village in Africa.   Assume the helicopter is hovering in the air and the maximum allowed package landing speed without damaging the supplies is {v} m/s, what is the minimum height in meters that the helicopter must be when releasing the package?  Use 9.80 m/s2 as the gravitational acceleration constant.  Please enter unit in the form of “m”.

A fireman directs a stream of water from a ground-level fire…

A fireman directs a stream of water from a ground-level fire hose and tries to hit a flame on the third floor of a building.  Assuming that the fireman is 6.00 meter from the base of the building and that the speed of the stream as it leaves the hose is {vo} m/s at an angle of 60.0° above horizontal, how high does the stream hit?  Enter your unti as “m”.