A anna walks 61 m due north 76 m due east and then 89 m due, Ask an Expert

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A) Anna walks 61 m due north, 76 m due east, and then 89 m due south. What is the direction (angle in degrees) of her net displacement as measured from the x axis where counterclockwise is the positive direction?

B) An object is thrown vertically upward with a speed of 14.66mph. How much time from launch will it take to reach the bottom of a well 5.64 m deep?

C)If vector A has an x-component of 2.89 m and a y-component of 4.08 m, and vector B has an x-component of 3.26 m and a y-component of 3.62 m, then what is the magnitude of the vector Egiven by the vector sum of 3A + 5B?

D)A predatory fish can accelerate from rest to 4.36m/s in 0.16s. What is the acceleration of the fish?

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