A 0.66-kg object with an initial velocity of 3.30 m/s in the positive x-direction is acted on by a force in the direction of motion. The force does 6.50 J of work. What is the final velocity of the object

Me pl 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.

Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.

14. a body is projected with velocity vi from a. at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is