CAPA 3 - gaitons Set 3, Due Tue, Feb 12, 2008 at 23:59 1....

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gaitons Set 3, Due Tue, Feb 12, 2008 at 23:59 1. 1 . [1 point, 10 tries] A sailboat is travelling east at 3.80 m/s. A sudden gust of wind gives the boat an acceleration a =(0.500 m/s 2 ,32.0° north of east). What is the boat's speed 6.60 s later when the gust subsides? Answer: 6.83e+00 m/s 2. 2 . [1 point, 10 tries] What is the boats new direction? (Enter your answer as an angle corresponding to the direction North of East. Do not input a unit.) Answer: 1.48e+01 3. 3 . [1 point, 10 tries] A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory shown. The ball's position is shown at 1.00 s intervals until t =3.00 s. At t =1.00 s, the ball's velocity is v =(2.75 i +1.23 j ) m/s. Determine the ball's velocity at t= 0.00 s. (Enter your answer in component form. Input the x- component first, followed by the y- component .) Answer: 2.75e+00 m/s 2.46e+00 m/s 4. 4 . [1 point, 10 tries] Determine the ball's velocity at t =2.00 s. (Enter your answer in component form. Input the x- component first, followed by the y- component .) Answer: 2.75e+00 m/s 0.0 m/s 5. 5 . [1 point, 10 tries] Determine the ball's velocity at t =3.00 s. (Enter your answer in component form. Input the x- component first, followed by the y- component .)
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This note was uploaded on 07/23/2008 for the course SCIENCE PHYSICS 1B taught by Professor Hughes during the Winter '08 term at McMaster University.

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CAPA 3 - gaitons Set 3, Due Tue, Feb 12, 2008 at 23:59 1....

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