A 9.3 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.49 m/s, relative to the water, and the canoe simultaneously moves in the opposite direction at 0.19 m/s.
What is the mass of the canoe?
Express your answer using two significant figures.