disk 7.96 cm in radius rotates at a constant rate of 1 280 rev/min about its central axis. (a) Determine its...
disk 7.96 cm in radius rotates at a constant rate of 1 280 rev/min about its central axis.
(a) Determine its angular speed.
rad/s
(b) Determine the tangential speed at a
point 3.08 cm from its center.
m/s
(c) Determine the radial acceleration of a point on
the rim.
magnitude km/s2direction ---Select--- toward
the center away from the center
(d) Determine the total distance a point on the rim moves
in 1.98 s.
m
Homework Answers
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disk 7.96 cm in radius rotates at a constant
rate of 1 280 rev/min about its central axis.
(a) Determine its...
A disk 7.90 cm in radius rotates at a constant rate of 1 210 rev/min about...
A disk 7.90 cm in radius rotates at a constant rate of 1 210 rev/min about its central axis. (a) Determine its angular speed. rad/s (b) Determine the tangential speed at a point 2.96 cm from its center. m/s (c) Determine the radial acceleration of a point on the rim. magnitude directionSelect km/s (d) Determine the total distance a point on the rim moves in 1.92 s.
A disk 8.04 cm in radius rotates at a constant rate of 1 210 rev/min about...
A disk 8.04 cm in radius rotates at a constant rate of 1 210 rev/min about its central axis. (a) Determine its angular speed. _____rad/s (b) Determine the tangential speed at a point 2.92 cm from its center. _____m/s (c) Determine the radial acceleration of a point on the rim. magnitude ______km/s2 direction_____ (d) Determine the total distance a point on the rim moves in 1.90 s. ______m
Problem 1 A disk 25.00 cm in radius rotates at a constant rate of 1 200...
Problem 1 A disk 25.00 cm in radius rotates at a constant rate of 1 200 rev/min about its central axis. Determine; (a) its angular speed in radians per second and the tangential speed at a point 15.00 cm from its center. (b) the radial acceleration of a point on the rim, and the total distance a point on the rim moves in 6.00 S.
please help A uniform disk of radius 0.65 m rotates clockwise about its central axis and...
please help
A uniform disk of radius 0.65 m rotates clockwise about its central axis and accelerates with constant angular acceleration. At time 1-0 it is rotating at 34 rad/s, at timeに15 s later, its angular speed is 13 rad/s. (Recall 2π rad-1 rev). a. What is the direction of the angular velocity? b. What is the direction of the angular acceleration? c. Calculate the magnitude of the angular acceleration d. Through how many radians has the disk turned in...
Determine : A. It's angular speed .Units :rad/s B.The tangential speed at a point 3 cm...
Determine :
A. It's angular speed .Units :rad/s
B.The tangential speed at a point 3 cm from the centre .Units
:m/s
C.The radial acceleration of a point on the rim .Units :rad/s
squared
D.The arc length that a point on the rim moves in 2 s .Units
:m
A disc 9 cm in radius rotates at a constant rate of 1200 rev/min about its central axis. Determine:
A disk of radius 2.05 m rotates about its axis. Points on the disk\'s rim undergo...
A disk of radius 2.05 m rotates about its axis. Points on the disk\'s rim undergo tangential acceleration of magnitude 2.71 m/s2. At a particular time the rim has a tangential speed of 1.51 m/s. At a time 0.923 seconds later, what is the tangential speed, v, of a point on the rim, the magnitude of the point\'s radial acceleration, ar, and the magnitude of its total acceleration, atot?
A 36.2-cm diameter disk rotates with a constant angular acceleration of 2.8 rad/s2. It starts from...
A 36.2-cm diameter disk rotates with a constant angular acceleration of 2.8 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) Find the angular speed of the wheel at t = 2.30 s. rad/s (b) Find the linear velocity and tangential acceleration of P at t =...
A disk rotates about an axis through its center. Point A is located on its rim...
A disk rotates about an axis through its center. Point A is located on its rim and point B is located exactly halfway from the center toward the rim. What is the ratio of the angular velocity WA to that of @, and the tangential velocity VA to that of Vg? HINT (a) the angular velocity w, to that of ⓇA - (b) the tangential velocity VA to that of VB
A uniform solid disk of radius 80.0 cm is rotating about its central axis with constant...
A uniform solid disk of radius 80.0 cm is rotating about its central axis with constant angular acceleration of 50.0 rad/s2 . At a certain instant, the disk is rotating at 10.0 rad/s. What is the magnitude of the net linear acceleration of a point on the rim (edge) of the disk?
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration....
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 4.20 rev/s; 75.0 revolutions later, its angular speed is 23.0 rev/s. Calculate (a) the angular acceleration (rev/s2), (b) the time required to complete the 75.0 revolutions, (c) the time required to reach the 4.20 rev/s angular speed, and (d) the number of revolutions from rest until the time the disk reaches the 4.20 rev/s angular speed. _...
A disk 7.90 cm in radius rotates at a constant rate of 1 210 rev/min about its central axis. (a) Determine its angular speed. rad/s (b) Determine the tangential speed at a point 2.96 cm from its center. m/s (c) Determine the radial acceleration of a point on the rim. magnitude directionSelect km/s (d) Determine the total distance a point on the rim moves in 1.92 s.
Problem 1 A disk 25.00 cm in radius rotates at a constant rate of 1 200 rev/min about its central axis. Determine; (a) its angular speed in radians per second and the tangential speed at a point 15.00 cm from its center. (b) the radial acceleration of a point on the rim, and the total distance a point on the rim moves in 6.00 S.
please help
A uniform disk of radius 0.65 m rotates clockwise about its central axis and accelerates with constant angular acceleration. At time 1-0 it is rotating at 34 rad/s, at timeに15 s later, its angular speed is 13 rad/s. (Recall 2π rad-1 rev). a. What is the direction of the angular velocity? b. What is the direction of the angular acceleration? c. Calculate the magnitude of the angular acceleration d. Through how many radians has the disk turned in...
Determine :
A. It's angular speed .Units :rad/s
B.The tangential speed at a point 3 cm from the centre .Units
:m/s
C.The radial acceleration of a point on the rim .Units :rad/s
squared
D.The arc length that a point on the rim moves in 2 s .Units
:m
A disc 9 cm in radius rotates at a constant rate of 1200 rev/min about its central axis. Determine:
A 36.2-cm diameter disk rotates with a constant angular acceleration of 2.8 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) Find the angular speed of the wheel at t = 2.30 s. rad/s (b) Find the linear velocity and tangential acceleration of P at t =...
A disk rotates about an axis through its center. Point A is located on its rim and point B is located exactly halfway from the center toward the rim. What is the ratio of the angular velocity WA to that of @, and the tangential velocity VA to that of Vg? HINT (a) the angular velocity w, to that of ⓇA - (b) the tangential velocity VA to that of VB
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 4.20 rev/s; 75.0 revolutions later, its angular speed is 23.0 rev/s. Calculate (a) the angular acceleration (rev/s2), (b) the time required to complete the 75.0 revolutions, (c) the time required to reach the 4.20 rev/s angular speed, and (d) the number of revolutions from rest until the time the disk reaches the 4.20 rev/s angular speed. _...
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