Table 1. Range and height for different launching angles Launch speed (Initial velocity) = 25 m/s %3D Launch angle Range Maximum R height sin 2a sin a (O) (m) h(m) 15 31.88m 2.14m 0.52 0.067 20 40.88m 3.73m 0.70 0.117 25 48.94m 5.7m 0.87 0.179 30 55.21m 7.97m 1.05 0.25 35 60m 10.49m 1.22 0.329 40 62.82m 13.18m 1.40 0.413 45 63.82m 15.94m 1.57 0.5 Questions: 1. What is the relationship between the range R and sin 2a? 2. What is the relationship between the maximum height h and sin? a?

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