Physics, 26.11.2019 22:31 dounutalien
a 75 kg shell is fired with an initial speed of 125m/s at an angle 55∘ above horizontal. air resistance is negligible. at its highest point, the shell explodes into two fragments, one four times more massive than the other. the heavier fragment lands directly below the point of the explosion. if the explosion exerts forces only in the horizontal direction, how far from the launch point does the lighter fragment land?
Answers: 2
Physics, 21.06.2019 22:30, hawleyemily
Select the word from the list that best fits the definition classification of most stars on the h-r diagram
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Physics, 22.06.2019 10:30, johnthienann58
The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
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Physics, 22.06.2019 17:40, cravens511peeelg
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Physics, 22.06.2019 18:40, mckennacwilliams
Smallest intensity of a stimulus that you can detect 50 percent of the time is
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a 75 kg shell is fired with an initial speed of 125m/s at an angle 55∘ above horizontal. air resista...
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