Question: A solid-fueled rocket can be made using a fuel grain with either a hole (a), or starred cavity (b), in the cross section. From experiment

A solid-fueled rocket can be made using a fuel grain with either a hole (a), or starred cavity (b), in the cross section. From experiment the engine thrust-time curves (T vs. t) for the same amount of propellant using these geometries are shown. Determine the total impulse in both cases. Given: Tla = 4 lb Tib = 8 lb tla tla = 3 s tib = 6 s

Given: Tla = 4 lb Tib = 8 lb tla tla = 3 s tib = 6 s

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