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# Chapter D3, Problem D3/140 The 188 g unar lander is descending nnta he mnon's surfan with... Chapter D3, Problem D3/140 The 188 g unar lander is descending nnta he mnon's surfan with a velac y of 6 m 尿when its re o engine ts fired f the engine producas a thrust T or 3.2昴which varies with the that it has not yet landed, Gravitational acceleration at the moon's surface is 1.62 m/s, The velocity is positive if moving downward, negative If up, me as shown and then cuts o calculate the velocity the lander when t 4.5 s assuming 6.6 m's T.N 918 1.6 3.2 Answe: - mys the tolerance t/ 29 #### Earn Coins

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