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7. A disk having diameter of 0.6 m, rotating with angular velocity w = 6t2 +...
Problem 2:3 pa velocity vis and a cons 2:(5 pts) xith a diameter of 0.75 m is rotating about a fix axis with an initial angular velocity of 0.25 rev/s and a constant angular acceleration of 0.9 r...
Problem 2:3 pa velocity vis and a cons 2:(5 pts) xith a diameter of 0.75 m is rotating about a fix axis with an initial angular velocity of 0.25 rev/s and a constant angular acceleration of 0.9 revis. (a) Compute the angular speed of the turntable after 0.2 s (2pts (o) Through how manar spced of the turntable after 0.2 s (Opts) many revol utions has the turntable spun in this time interval? (1pt) al speed of a point on...
A 0.6 m diameter solid disk with mass 4.2 kg is rotating with a constant angular...
A 0.6 m diameter solid disk with mass 4.2 kg is rotating with a constant angular velocity of 8t rad/sec. A) What is the tangential speed of a point 15. on the rim? B) Calculate the rotational kinetic energy of the wheel. rolling along a Find the total kinetic energy of the wheel in the previous problem if the wheel is now horizontal surface at 16 m/s. 16.
9. A disk of mass M and radius R is rotating with an angular velocity o....
9. A disk of mass M and radius R is rotating with an angular velocity o. A rod also of mass M but length 2R is initially not rotating. It is dropped vertically onto the rotating disk as shown in the figure (page above). After the collision, the disk and rod rotate together with an angular velocity of c) 30/4 f) none of the above 10. What fraction of the initial kinetic energy was lost in the collision in question...
(b) At the instant shown in Figure Q2(b), a disk is rotating with an angular velocity...
(b) At the instant shown in Figure Q2(b), a disk is rotating with an angular velocity of a) 1.0 rad/s and has an angular acceleration of α-: 0.5 rad/s. A string extends from the centre of the disk, O, and runs over a small peg, A, and a pulley, B. The other end of the string is connected to a cylinder C. At the instant shown, OA is perpendicular to AB. Neglect the size of the pulley at B. (i)Determine...
A motor gives a disk A an angular acceleration of aA (2t+ 3) rad/s , where...
A motor gives a disk A an angular acceleration of aA (2t+ 3) rad/s , where t is in seconds. If the inidial angular velocity of the disk is Dg 5 rads, determine the magnitude of the velocity of biock B when t 2 s aisa v-1.5 m/s ve 15 m/s ve-7 m/s va-2.25 mls The velocity ofa particle is defined by v (-2i+(3-20A, m/s where t is in seconds. If r 0 when t 0, determine the displacement of...
A wheel of diameter 0.3 m is rotating with an angular velocity of 3 rad/s and...
A wheel of diameter 0.3 m is rotating with an angular velocity of 3 rad/s and slowing under a constant acceleration of -3 rad/s2. Calculate everything possible about the motion, starting with, say, its angular velocity after 0.4 s.
Suppose a disk of radius R = 6 cm is rotating with an angular velocity w...
Suppose a disk of radius R = 6 cm is rotating with an angular velocity w = 7 rad/s. What is the speed of a point on the rim of the disk? O 168 m/s 42 m/s O 0.06 m/s 1.68 m/s O 200 m/s O 0.72 m/s O 0.42 m/s O 14 m/s 0.84 m/s
A disk of mass M and radius R is rotating with an angular velocity ω. A...
A disk of mass M and radius R is rotating with an angular velocity ω. A rod also of mass M but length 2R is initially not rotating. It is dropped vertically onto the rotating disk. After the collision, the disk and rod rotate together with an angular velocity of? What fraction of the initial kinetic energy was lost in the collision?
A disk of mass 5 kg and radius 1 m is rotating with an angular velocity...
A disk of mass 5 kg and radius 1 m is rotating with an angular velocity of ?0 = 11 rad/s . A lump of clay of mass 3 kg is dropped onto the disk at a radius of 0.5 m , sticking to the disk. What is the final angular velocity of the disk? (Idisk = MR2/2 )
The torque τ required to rotate a disk of diameter D with angular velocity w in...
The torque τ required to rotate a disk of diameter D with angular velocity w in a fluid is a function of the density ρ and the viscosity μ of the fluid (torque has units of work) (a) Find a nondimensional relationship between these quantities. (b) Calculate the angular velocity and the torque required to drive a 750 mm diameter disc rotating in air if it requires a torque of 1.2 Nm to rotate a similar disc of 230 mm...
Problem 2:3 pa velocity vis and a cons 2:(5 pts) xith a diameter of 0.75 m is rotating about a fix axis with an initial angular velocity of 0.25 rev/s and a constant angular acceleration of 0.9 revis. (a) Compute the angular speed of the turntable after 0.2 s (2pts (o) Through how manar spced of the turntable after 0.2 s (Opts) many revol utions has the turntable spun in this time interval? (1pt) al speed of a point on...
A 0.6 m diameter solid disk with mass 4.2 kg is rotating with a constant angular velocity of 8t rad/sec. A) What is the tangential speed of a point 15. on the rim? B) Calculate the rotational kinetic energy of the wheel. rolling along a Find the total kinetic energy of the wheel in the previous problem if the wheel is now horizontal surface at 16 m/s. 16.
9. A disk of mass M and radius R is rotating with an angular velocity o. A rod also of mass M but length 2R is initially not rotating. It is dropped vertically onto the rotating disk as shown in the figure (page above). After the collision, the disk and rod rotate together with an angular velocity of c) 30/4 f) none of the above 10. What fraction of the initial kinetic energy was lost in the collision in question...
(b) At the instant shown in Figure Q2(b), a disk is rotating with an angular velocity of a) 1.0 rad/s and has an angular acceleration of α-: 0.5 rad/s. A string extends from the centre of the disk, O, and runs over a small peg, A, and a pulley, B. The other end of the string is connected to a cylinder C. At the instant shown, OA is perpendicular to AB. Neglect the size of the pulley at B. (i)Determine...
A motor gives a disk A an angular acceleration of aA (2t+ 3) rad/s , where t is in seconds. If the inidial angular velocity of the disk is Dg 5 rads, determine the magnitude of the velocity of biock B when t 2 s aisa v-1.5 m/s ve 15 m/s ve-7 m/s va-2.25 mls The velocity ofa particle is defined by v (-2i+(3-20A, m/s where t is in seconds. If r 0 when t 0, determine the displacement of...
Suppose a disk of radius R = 6 cm is rotating with an angular velocity w = 7 rad/s. What is the speed of a point on the rim of the disk? O 168 m/s 42 m/s O 0.06 m/s 1.68 m/s O 200 m/s O 0.72 m/s O 0.42 m/s O 14 m/s 0.84 m/s
The torque τ required to rotate a disk of diameter D with angular velocity w in a fluid is a function of the density ρ and the viscosity μ of the fluid (torque has units of work) (a) Find a nondimensional relationship between these quantities. (b) Calculate the angular velocity and the torque required to drive a 750 mm diameter disc rotating in air if it requires a torque of 1.2 Nm to rotate a similar disc of 230 mm...
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