A swimmer heads directly north across a deep river at speed of 3.5 m/s relative to still water. The river is flowing eas

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A Swimmer Heads Directly North Across A Deep River At Speed Of 3 5 M S Relative To Still Water The River Is Flowing Eas 1 (25.52 KiB) Viewed 63 times

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A Swimmer Heads Directly North Across A Deep River At Speed Of 3 5 M S Relative To Still Water The River Is Flowing Eas 3 (19.68 KiB) Viewed 63 times

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A swimmer heads directly north across a deep river at speed of 3.5 m/s relative to still water. The river is flowing east at 2.0 m/s and is 64 m wide. a) What is the velocity of the swimmer relative to the river bank (shore)? b) Calculate the time required to cross the river. Show all your work. Round your final answers to 2 significant digits.
Relative motion (velocity) occurs in many everyday activities. Select an activity of scenario, and explain what role relative motion plays in the activity. Be sure to give an example of how the relative velocity analysis that you learned in this course may be directly related to this activity.
A ball is tossed from a window of a building. The ball is given an initial velocity of 7.5 m/s at an angle of 22.0° above the horizontal. If the ball strikes the ground 28 m form the bottom of the building, what is the height of the window? Assume no air resistance. Show all your work. Round your final answers to 2 significant digits.
A Gr. 12 physics student on a homemade hovercraft travels with an initial velocity of 2.35 m/s [W] undergoes an average acceleration of 1.40 m/s2 [N] for 3.45 s. What is the final velocity of the hovercraft? Show all your work. Round your final answers to 3 significant digits. (4 marks, TH)