A Cruise ship has a mass of approximately 10^8 kg and carries 3000 passengers, each whom...
A Cruise ship has a mass of approximately 10^8 kg and carries 3000 passengers, each whom has an average mass of 70kg. The ship has a velocity of 10 m/s. The passengers decide the ship is moving too slowly and run toward the back with a speed of 2.5 m/s toward the back of the ship. What is the speed when everyone stops at the back? Half the passengers then leap off the back with a speed of 5 m/s. What is the final velocity of the ship?
Homework Answers
Conservation of linear momentum :- If net external force acting on the body/system is zero, the total linear momentum of body/system remains constant.
So,
Assuming that velocity of the passengers are in reference to cruise ship.
So, 
When of them jump off
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A Cruise ship has a mass of approximately 10^8 kg and carries
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cruise ship with a mass if 1.53 x 10^7 kg strikes a pier at a speed
of 0.652 m/s. It comes to rest 5.19 m later, damaging the ship, the
pier, and the tugboat captain's finances. Calculate the average
force (in N) exerted on the pier using the concept of impulse.
(Hint: first calculate the time it took to bring the ship to rest.
Assume the ship moces in the positive direction. Indicate the
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