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Physics, 21.06.2019 17:30
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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Physics, 22.06.2019 07:50
Calculate the ratio of h+ ions to oh– ions at a ph = 6. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 6. are they the same? why or why not? record your explanation in table a. what is the concentration of h+ ions at a ph = 6? mol/l what is the concentration of oh– ions at a ph = 6? mol/l what is the ratio of h+ ions to oh– ions at a ph = 6? : 1
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Physics, 22.06.2019 21:30
What ia the energy of an object because of its potential and kinetic energies
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History, 17.07.2019 10:50
Mathematics, 17.07.2019 10:50
Mathematics, 17.07.2019 10:50
Mathematics, 17.07.2019 10:50
Mathematics, 17.07.2019 10:50
Mathematics, 17.07.2019 10:50
Biology, 17.07.2019 10:50
History, 17.07.2019 10:50
Mathematics, 17.07.2019 10:50