Sound travels at 340 m/s. How long does it take the sound of a starter's pistol shot to travel 1.0 x 102 m?The Concorde, supersonic airliner cruises at 2500 km/h. How long does it take to fly from New York City to London England; a distance of 5150 km?

An owl is chasing a squirrel and is using echolocation (the reflection of sound) to aid in the hunt. If the squirrel is 64.1 m from the owl, how long does it take sound to travel from the owl to the squirrel and then back to the owl? (Use 343 m/s as the speed of sound in air.)

On a pleasure cruise a boat is traveling relative to the water ataspeed of 6.58 m/s due south. Relative to the boat, apassengerwalks toward the back of the boat at a speed of 1.84 m/s.

On a pleasure cruise a boat is traveling relative to the water at aspeed of 4.8 m/s due south. Relative to the boat, a passenger walkstoward the back of the boat at a speed of 1.4 m/s.
(a) What is the magnitude and direction of the passenger's velocityrelative to the water?


(b) How long does it take for the passenger to walk a distance of27 m on the boat?


(c) How long does it take for the passenger to cover a distance of27 m on the water?