A 75.0 kg fullback running east with a speed of 4.00 m/s is tackled by a 91.0 kg opponent running north with a speed of 3.00 m/s. What is the direction they are moving after the totally inelastic collision (a perfect tackle)? a. 36 degrees N of E b. 53 degrees E of N c. 42 degreees N of E d. 36 degrees E of N

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