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D2L HW5 - PHYS1007B University Phy x X C A brightspace.carleton.ca/d21/le/content/146800/viewContent/2793351/View HW5 X Est. Length: 2:00:00 Ronan Stanford: Attempt 1 Page 1: Question 1 (1
D2L HW5 - PHYS1007B University Phy x X C A brightspace.carleton.ca/d21/le/content/146800/viewContent/2793351/View HW5 X Est. Length: 2:00:00 Ronan Stanford: Attempt 1 Page 1: Question 1 (1 point) 2 3 A rotating fan starts at rest and accelerates at 138 rad/s for 2.9 seconds. Calculate -- -- the final angular speed in rad/s. Write your answer with a single digit of precision. 4 5 6 -- 8 9 -- -- 10 Your Answer: Answer Question 2 (1 point) A pilot training in a centrifuge with a rotor arm of length 8.6 metres is whirled around at 22.4 m/s. Calculate the acceleration in terms of g = 9.8 m/s2. Answer with two digits of precision. Your Answer: Answer Question 3 (1 point) 106410: NIO 2:23 PM -7.24% Q ENG US 2022-10-07IML HWS - PHVSI 0073 University Pl X + ( C' I brig htspacecal lelon.ca HWS Est. Length: 2.00.00 Ronan Stanford. Attempt 1 page 1; Question 3 (1 point) 1 2 3 An object rotates through an angle of ('?.Dx10"1)D in a time of (1.930x10A0) seconds. Calculate the angular speed in radians/s. Use two significant figures in your answer. 4 5 6 Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: 7 ti 9 Iii i x10 i , 10 Answer Question4l1 point) Awheel. radius 24.4 cm is spinning with the outer rim of the wheel moving at 42 km/h. Calculate the period of rotation in seconds and express your answer with a single digit of precision. Your Answer: Answer Question 5 (1 point) Acar is driving along the road at 18.0 km/h. The wheels have a radius of 29.6 cm. You can assume that the speed of the outer rim of the wheel is the same as the road speed. Calculate the frequency of rotation of the wheels in Hertz. Provide your answer with two digits of precission. IML HWS - PHVSI 0073 University Pl X + (- C I brightspace.carleton.ca HWS X Est. Length: 2.00.00 Rdnan Stanford. Attempt l Page 1; Question 6 (1 point) - 1 2 3 An object is spinning at 97 rad/s and accelerates at 135 rad/s2 for 2.9 seconds. Calculate the new angular speed in RPM (revolutions per minute) with a single digit of precision. 4 s 6 Your Answer: 7 ti 9 Answer 10 Question 7(1 point) A soccer ball of diameter 31 cm rolls without slipping at a linear speed of 2.8 m/s. If the ball moves a linear distance of 12.0 metres. how many revolutions has it made? Give your answer with a single digit of precision. Your Answer: Answer Question 8(1 point) Suppose an object is rotating at an angular speed of 92 radians/s. It is then accelerated to 282 radians/s over a time of 4.5 seconds. Calculate the average angular acceleration in radians/s2 with a single digit of precision. Your Answer: 2:24 PM .= 2022-10-07 9 X D2L HW5 - PHYS1007B University Phy x C A brightspace.carleton.ca/d21/le/content/146800/viewContent/2793351/View HW5 X Est. Length: 2:00:00 Ronan Stanford: Attempt 1 Page 1: angular acceleration in radians/s with a single digit of precision. 2 3 Your Answer: -- -- 4 5 6 Answer -- 8 9 Question 9 (1 point) -- -- An object is spinning at 3,774 RPM. What is the angular speed in rad/s? Use a single 10 digit of precision in your answer. -- Your Answer: Answer Question 10 (1 point) An object is rotating at 624 RPM, and is then subjected to an angular acceleration of 296 radians/s2 for a time 3.8 seconds. What is the final angular speed in radians/sec, with a single digit of precision. Your Answer: Answer 2:24 PM TAIG -2.24% Q ENG US 2022-10-07
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