A submarine with a mass of 6.26 × 106 ?? contains a torpedo with a mass of 354 ??. The The submarine fires the torpedo at an angle of 25° to the horizontal as shown in Fig. figure. a. If the submarine and torpedo were initially at rest and the torpedo left the submarine with a speed of 89.2 ?/?, what is the recoil speed of the submarine? b. Which is the direction of the sub's recoil?

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