Class Management | Help Homework 9 Begin Date: 11/7/2022 12:00:00 AM -- Due Date: 11/23/2022 11:59:00 PM End Date: 11/23/2022 11:59:00 PM (4%) Problem 1: Microwave ovens rotate at a rate of about 6.6 rev/min. Randomized Variables f= 6.6 rev/min 4 50% Part (a) What is this in revolutions per second? f= cancel notext cos tan 7 8 9 HOME cotan() asin acos E 5 6 atan() acotan() sinh() *10^ (X) 2 3 cosh() tanh( ) cotanh( ) + O END Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 2% deduction per hint. Hints remaining: 1 Feedback: 2% deduction per feedback. 4 50% Part (b) What is the angular velocity of this microwave in radians per second?Class Management | Help Homework 9 Begin Date: 11/7/2022 12:00:00 AM -- Due Date: 11/23/2022 11:59:00 PM End Date: 11/23/2022 11:59:00 PM (4%) Problem 2: It takes a time t = 0.59 s for a record to revolve on a record player once. A particular point on the record moves past the needle at a speed of Vn = 0.87 m/s. Randomized Variables t = 0.59 s Vn = 0.87 m/s 50% Part (a) What is the radius at which the needle is in contact with the record in m? Grade Summary Deductions 0% Potential 100% cancel notext cos tan( 7 8 9 HOME Submissions Attempts remaining: 100 cotan() asin() acos() E 4 5 6 (0% per attempt) atan() acotan() sinh() 2 3 detailed view cosh() tanh() cotanh() END Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 2% deduction per hint. Hints remaining: 2 Feedback: 2% deduction per feedback. 4 50% Part (b) What is the tangential speed v2 of a point on the record that is at r2 = 0.05 m in m/s?Homework 9 Begin Data 11/7/2022 12:00:00 AM -- Due Date: 11/23/2022 11:59:00 PM End Date: 11/23/2022 11:59:00 PM (8%) Problem 3: An ultracentrifuge accelerates from rest to 103600 rpm in 1.9 min. Randomized Variables to: 103600 rpm 1': 1.9 min l=9.6cm 33% Part (a) What is its angular acceleration in rad/32? ' _l cosh() tanh() cotanh() _| + _| 0 ' _I Submit Hint I give up! Hints: deduction per hint. Hints remaining: _ Feedback: deduction per feedback. ., A 33% Part (b) What is the tangential acceleration of a point 9.6 cm from the axis of rotation in m/s2? - lb 33% Part (c) What is the centripetal acceleration in multiples of g of this point at full speed