a) What constant torque needs to be applied to a wheel with rotational inertia I=0.1kg-m² about its central axis to rease crease its angular velocity from 26 to 16 rad/s in 5s? Assume constant angular acceleration. Calculate b) initial c) final angular momentum of the flywheel, d) angular acceleration of the flywheel. Hint: angular momentum of a d body is L= lo, solve part d) first.

a) What constant torque needs to be applied to a wheel with rotational inertia I=0.1kg-m² about its central axis to rease crease its angular velocity from 26 to 16 rad/s in 5s? Assume constant angular acceleration. Calculate b) initial c) final angular momentum of the flywheel, d) angular acceleration of the flywheel. Hint: angular momentum of a d body is L= lo, solve part d) first.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Current Attempt in Progress In the figure, wheel A of radius a- 7.23 cm is coupled by belt i to wheel Cof radius re-23.6 cm. The angular speed of wheel Ais increased from rest at a constant rate of 1.78 rad/s?. Find the time needed for wheel C to reach an angular speed of 141 rewinin, assuming the belt does not slip. (Hint: If the bek ducs not slip, the lincar spevds at the two rims must be vyual.) Number Units Hint
The pulley rotates without friction. initial condition at rest R (in m/s^2) I VLA M The moment of inertia of the pulley is I. Calculate the acceleration of the block when the pulley begins to rotate. DATA: m = 13 kg; R = 1.0 m; 1 = λm R²; λ = 0.55; OA: 1.143 OB: 1.521 OC: 2.023 OD: 2.690 OE: 3.578 OF: 4.759 OG: 6.329 OH: 8.418
The angular position of a point on a rotating wheel is given by 0- 4.55 + 3.9412 , 1.56°, where Ois in radians and tis in seconds. At t - 0, what are (a) the point's angular position and (b) its angular velocity? (c) Vwhat is its angular velocity at t- 7.55 s? (d) Calculate its angular acteleration at t-1.73s. le) is its angular acteleration constant? (al Number Units (b) Number i Units (c) Number Units (d) Numberi Units le) Number
Physics MCQ help ASAP
Elying Circus of Physics During a jump to his partner, an aerialist is to make a quadruple somersault lasting a time t =1.51 s. For the first and last quarter- revolution, he is in the extended orientation shown in the figure, with rotational inertia /, = 20.6 kg-m around his center of mass (the dot). During the rest of the flight he is in a tight tuck, with rotational inertia l = 3.94 kg-m. What must be his angular speed w, around his center of mass during the tuck? (Express your answer in [rev/s]) Tuck (0. Parabolic path of aerialist Release Catch Number Units the tolerance is +/-5%
Starting from rest, a .60 m radius bicycle wheel starting from rest and accelerating at a constant angular acceleration of 1.5 rad/s2 over a 3.8-s interval. How many revolutions does the wheel rotate through?
A hollow sphere of mass equal to 980 grams and 40 cm in diameter rotates with a period of 0.2 s/cycle. Calculate:a) Angular velocityb) Linear speedc.) Rotational inertiad.) The centripetal forcee) Rotational kinetic energyf) the amount of angular momentum
An anemometer for measuring windspeed consists of four small metal cups, each of mass 120 g, mounted on the ends of essentially massless rods 32 cm long. A) find the anemometers rotational inertia about its central axis. B) find it’s angular momentum when it’s spinning at 12 revolutions per second in the direction indicated. Treat the cups as point masses.
A compact disc player rated as having speed of 8X will operate at an angular speed of about 4,000 rpm.a) What is the angular speed of the disc in the unit of radian/sec?b) By modelling the compact disc (CD) as a thin uniform disc withmass 10 g, an inner radius of 23 mm, and an outer radius of58 mm, calculate the rotational inertia of the disc.c) If the torque provided by the motor rotate this disc has the magnitude of0.1 N.m. What is the angular acceleration of the disk?d) For this angular acceleration, how many radians has the disc rotated, after2 seconds?e) How many revolutions in (d) above?
I need answer for question 3
Problem 4 ots) A constant net torque 11 N.m is applied on a uniform solid cylinder with radius 2 m and mass 1.2 Kg. The cylinder starts the rotation from rest and rotates with a constant angular acceleration a int Which formula can be used to calculate the cylinder's moment of inertia? (refer to the formula-sheet and select the number of the correct formula from the list) ♦ b) (Sp Find the cylinder's Moment of Inertia (1) I= c) Find rotational kinetic energy (Krot) of the cylinder at rest Krot d) Which formula can be used to calculate the final angular speed? (refer to the formula-sheet and select the number of the correct formula from the list): ◆ s) Find the angular speed (w) of the cylinder after 3 seconds Wys
Do it fast for like A sphere rotating with an angular velocity of 25.6 radians/s about its axis has a kinetic energy of 787 J. What is the rotational inertia of the sphere about its axis? Express your answer in kg m2 to 3 significant figures.