A mechanical wristwatch ticks 4 times per second. Suppose this watch runs for 10 years. How often does it tick in this time interval? How many days is a million seconds? Your heart beats 71 times per...

A mechanical wristwatch ticks 4 times per second. Suppose this watch runs for 10 years. How often does it tick in this time interval? How many days is a million seconds? Your heart beats 71 times per minute. How often does it beat in a year? What will be the error in position (in kilometers) if the ship is on the equator?