(7%) Problem 13: A dirt bike is going at a constant speed v when it encounters a circular hill of radius r = 410 m. The driver and dirt bike combined have mass m = 157 kg. Tran , Theresa - ttran55@mail.sfsu.edu r X Otheexpertta.com @theexpertta.com - tracking id: 6C65-7E-A0-41-B9BD-32189. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. DA.50% Part (a) What speed in m/s does the dirt bike have if the driver feels weightlessness (i.e., has an apparent weight of zero) at the top of the hill? select part Grade Summary V = Deductions 0% Potential 100% sin() cos() tan() 7 8 9 HOME cotan() asin() acos A 5 Submissions 6 atan() 2 3 Attempts remaining: 6 acotan() sinh() (1% per attempt) cosh() tanh() cotanh() + 0 END detailed view Degrees Radians VO BACKSPA DECLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 3 Feedback: 1% deduction per feedback. 4 50% Part (b) If the driver is going at the speed above and encounters a hill with a radius 2r, what is the apparent weight of both the driver and the dirt bike in Newtons at the top of the hill