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The speed of a bobsled is increasing because it has an accelerationof 2.4 m/s². At a given instant in time, the forcesresisting the motion, including kinetic friction and airresistance, total 450N. The combined mass of the the ridersis 270kg. (a) what is the magnitude of the force propelling the bobsled forward? (b) what is the magnitude of the net force thatacts on the bobsled?

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