The chart shows data for four different moving objects. Which shows the order of the objects' kinetic energies, from least to greatest? Object Mass (kg) 10. W X Y Z 18 14 30 Velocity (m/s) 8 3 6 4 O WY, X, Z OZ, X, Y, W O W, Y, Z, X O X, Z, Y, W

Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s.assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.