Class Management | Help HW 9 - Mechanical Energy Begin Date: 3/19/2024 12:01:00 AM -- Due Date: 4/30/2024 11:59:00 PM End Date: 5/4/2024 11:59:00 PM (14%) Problem 6: In the three figures labeled A, B, and C at the right are shown three situations in which a % KE >0 here bulldog on a skateboard traverses a dip in the ground. (The dips are all the same.) In A, the bulldog enters the dip R e e traveling at a non-0 kinetic energy (KE). In B, when he leaves the dip, he has 0 KE. In C, he begins in the dip (at the position indicated) at a KE of 0. Since he is riding a skateboard, friction may be ignored. a JKE-O here 11% Part (e) The bulldog and skateboard have a combined mass of 20 kg. In case B (the middle of the three pictures of the bulldog and the well), the bulldog and skateboard have a KE of 380 J at the bottom of the well. How deep is the well in meters? h = 1.938 m Correct!$ 11% Part (h) In case 3, the total energy is 200 J. How fast is the bulldog when he passes the bottom of the well? Give your answer in m/s. Grade Summary v=|l m/s Deductions Potential 98% Late Work % 100% sin() cos() tan() x| ( 7 | 9 Late Potential 98% cotan() asin() acos() E 4 | Submissions atan() | acotan() | sinh() 1]2]3 Attempts remaining: 5 (2% per attempt) cosh() tanh() cotanh() + | - 0 detailed view ODegrees Radians 0 1 Submit | | | 1 give up! | Hints: 0 fora deduction. Hints remaining: Feedback: deduction per feedback. Submission History All Date times are displayed in Central Standard Time Red submission date times indicate late work. Date Time Answer Hints Feedback 1 May 01,2024 3:03 PM v=6.166 m/s