{"result":{"text":"E equals 1 half m v squared rightwards double arrow E equals 1 half v squared space left curly bracket S i n c e space m equals 1 right curly bracket\nB y space e q u a t i o n space o f space T r a j e c t o r y\ny equals x space tan space theta minus g over 2 fraction numerator x squared over denominator u squared cos theta end fraction comma\n0 equals R space tan space theta minus g over 2 fraction numerator R squared over denominator v squared cos squared theta end fraction\nR space tan space theta equals g over 2 fraction numerator R squared over denominator v squared cos squared theta end fraction semicolon space sin space theta equals g over 2 fraction numerator R over denominator v squared cos squared theta end fraction\nsin space 2 theta equals fraction numerator g R over denominator v squared end fraction\nsin space 2 theta equals open square brackets fraction numerator g R over denominator 2 E end fraction close square brackets space semicolon space theta equals 0.5 space sin to the power of negative 1 end exponent space theta equals 0.5 space sin to the power of negative 1 end exponent open square brackets fraction numerator g R over denominator 2 E end fraction close square brackets"},"status":"ok"}