A windmill for generating electricity has a blade that is 30 feet long. Depending on the wind, it rotates at various velocities. Find the angular velocity in rad/sec for the tip of the blade if the windmill is rotating at a rate of 55 comma 145 rev/day.

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.