1. (10) Two girls are trying to pull a toboggan out of a deep snow drift that provides an opposing force of 8.0 N. They are using ropes attached to the toboggan and parallel to the ground. The direction of the forces exerted by the girls are shown, from above, in this diagram. The girl that pulls the rope under the angle 20° is applying 16 N force, the second one is applying 11 N force with an angle of 30. Calculate the net force acting on the toboggan.
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Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
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Using a caesar cypher with an offset of three characters (a -> d, b -> e, z -> c), what would be the correct cypher text for the plain text "attack at dawn"?
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1. (10) Two girls are trying to pull a toboggan out of a deep snow drift that provides an opposing f...
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