A 70-kg stunt artist rides in a rocket sled which slides along a flat inclined surface. At an instant when the sled\\\'s acceleration has a horizontal component of 6.0 m/s 2 and a downward component of 2.8 m/s 2 , what is the magnitude of the force on the rider by the sled?

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Mass m70kg Horizontal acceleration a x 60... View the full answer