unit 4 lesson 1 the ferry boat,, he section c
Added by Jennifer M.
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What is the main idea of section C in unit 4 lesson 1? The main idea of section C in unit 4 lesson 1 is the safety measures and regulations that are followed on a ferry boat. Show more…
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A boat, which has a speed of $5 \mathrm{~km} / \mathrm{h}$ in still water, crosses a river of width $1 \mathrm{~km}$ along the shortest possible path in 15 minutes. The velocity of the river water in kilometers per hour is (A) 1 (B) 3 (C) 4 (D) $\sqrt{41}$
4. A person steps out of the boat and onto the dock. As the person moves forward onto the dock the boat moves backward. Which statement best describes the backward motion of the boat a the person steps forward a. For every action there is an equal and opposite reaction. b. Every mass exerts a force on every other mass. c. An object al rest tends to stay al rest. d. Friction opposes the motion of an object.
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A ferry boat has internal volume $1 \mathrm{~m}^{3}$ and weight $50 \mathrm{~kg}$. (a) Neglecting the thickness of the wood, find the fraction of the volume of the boat immersed in water. (b) If a leak develops in the bottom and water starts coming in, what fraction of the boat's volume will be filled with water before water starts coming in from the sides?
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