How does the range of a ground launched projectile change when the launch angle changes?

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Coal contains energy. a. light b. kinetic c. chemical d. mechanical

Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80