A 6.8 KG object moves with a velocity of 8 M/S what’s it's kinetic energy?

Argon, neon, and xenon are examples of

Which is the most accurate name for the covalent compound p2o3?

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.