A donkey is attached by a rope to a wooden cart at an angle of 23o to the horizontal. The tension in the rope is 210 N. If the cart is dragged horizontally along the floor with a constant speed of 6.0 km/h, calculate how much work the donkey does in 35 minutes.
A) 740 kJ
B) 290 kJ
C) 680 kJ
D) 11 kJ
E) 0.70 kJ
Correct Answer:
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