Q This assignment supports the following Unit Objectives: • (U37) Define position, velocity, speed, and acceleration (CLO4) (U38) Explain the difference between speed and velocity (CLO4) • (U39) Recognize and use proper units for position, speed, velocity, and acceleration (CLO2)(CLO4) • (UDS) Develop a well thought out and correct response to various discussion questions (CLO2)(CLO4)(Goal 4) Do not start a new thread. Simply reply to my posting. Be sure to comment on at least two of your classmates' postings. Your replies must be more than a simple phrase like "I agree" or "I like your answers". Replies should reflect on why you agree or like what has been posted. Your replies must reflect a genuine effort to engage your fellow classmates regarding the comments provided or the problem that has been solved. Please post your responses here. 1. What is the difference between position and displacement? 2. If a penny and a feather are both dropped from the same height at the same time on a typical day on Earth, which will hit the ground first? What if they were dropped by an astronaut on the moon? Explain. 3. Sports cars are often compared by their 0 to 60 mph times. This measurement is an example of what? 4. Why is the acceleration due to gravity typically defined as negative?