While on a visit to Minnesota Land of 10000 Lakes you sign up to take an excursion around one of the larger lakes When you go to the dock where the 1500kg boat is tied you find that the boat is bobbing up and down in the waves executing simple harmonic motion with amplitude 20 cm The boat takes 8.4 s to make one complete up and down cycle When the boat is at its highest point its deck is at the same height as the stationary dock As you watch the boat bob up and down your mass (60  kg) begin to feel a bit woozy, due in part to the previous night's dinner of lutefisk. As a result, you refuse to board the boat mess less the level of the boat's deck is within 10 cm of the dock level. How much time do you have to board the boat comfortably during each cycle of up-and-down motion?

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