A bear wanders into a campground. He moves from the trees at a velocity of 1.5 m/s toward the campers. If the campers are 30 meters from the
trees, how long will it take the bear to get to the campers?

What is work? how much work is done to move an object 0 meters?

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.

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?