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Write a multiple-choice question that requires the reader to understand that velocity and acceleration can have opposite signs.
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The position of a dragonfly that is flying parallel to the ground is given as a function of time by r⃗ =[2.90m+(0.0900m/s2)t2]i^− (0.0150m/s3)t3j^. a: at what value of t does the velocity vector of the insect make an angle of 34.0 degree clockwise from the x-axis? b: at the time calculated in part (a), what is the magnitude of the acceleration vector of the insect? c : at the time calculated in part (a), what is the direction of the acceleration vector of the insect?
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Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?
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Write a multiple-choice question that requires the reader to understand that velocity and accelerati...
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