1. a) Convert 60° to radian measure. b) An angle TC is equivalent to how many 6. degrees? ution of ele 2. A wheel rotates with a constant angular acceleration of 3.50 rad/s². If the angular speed of the wheel is 2.00 rad/s when the motion started. syer if they 5 such as gl (a) Through what angle does the wheel rotate in 2.00 s? all chargec (b) What is the angular speed att = 2.00 s? 3. A solid disk rotates with a constant angular deceleration of -2.0 rad/s^2. If the angular speed of the wheel was +6.00 rad/s when motion began, ind its strom irbon part c di (a) Through what angle does the disk rotates in 1.5 s? I are very tration are (b) Find the angular speed at the end of 1.5 s. ant inorgani 4. A 15N force is applied to a cord wrapped around a pulley of mass production c iful positivek s across celL M= 4kg and radius R = 33cm. The pulley accelerates uniformly from rest to an angular speed @,= 30 rad/s in 3 seconds. If the frictional torque (at axle) is %3D %3D %3D T, =1.10mN, determine Aw a) The angular acceleration a = At b) The moment of Inertia of the pulley (disk I= (1/2)m r^2) c) The linear speed v=0•r d) The rotational kinetic energy KE, =-lo² %3D 5. A drum rotates around its central axis at an angular velocity of 12.6 rad/s. If the drum slows down at a constant rate to 8.4 rad/s in 2 seconds, a) What is the angular acceleration? b) Through what angle 0 did it rotate? 6. You roll a disk along the sidewalk. The disk's mass is 0.5kg, r 0.12m, v=2m/s. Find the total Kinetic Energy. That is the combined energy of %3D translation and rotation. Remember the Moment of Inertia of a disk.
1. a) Convert 60° to radian measure. b) An angle TC is equivalent to how many 6. degrees? ution of ele 2. A wheel rotates with a constant angular acceleration of 3.50 rad/s². If the angular speed of the wheel is 2.00 rad/s when the motion started. syer if they 5 such as gl (a) Through what angle does the wheel rotate in 2.00 s? all chargec (b) What is the angular speed att = 2.00 s? 3. A solid disk rotates with a constant angular deceleration of -2.0 rad/s^2. If the angular speed of the wheel was +6.00 rad/s when motion began, ind its strom irbon part c di (a) Through what angle does the disk rotates in 1.5 s? I are very tration are (b) Find the angular speed at the end of 1.5 s. ant inorgani 4. A 15N force is applied to a cord wrapped around a pulley of mass production c iful positivek s across celL M= 4kg and radius R = 33cm. The pulley accelerates uniformly from rest to an angular speed @,= 30 rad/s in 3 seconds. If the frictional torque (at axle) is %3D %3D %3D T, =1.10mN, determine Aw a) The angular acceleration a = At b) The moment of Inertia of the pulley (disk I= (1/2)m r^2) c) The linear speed v=0•r d) The rotational kinetic energy KE, =-lo² %3D 5. A drum rotates around its central axis at an angular velocity of 12.6 rad/s. If the drum slows down at a constant rate to 8.4 rad/s in 2 seconds, a) What is the angular acceleration? b) Through what angle 0 did it rotate? 6. You roll a disk along the sidewalk. The disk's mass is 0.5kg, r 0.12m, v=2m/s. Find the total Kinetic Energy. That is the combined energy of %3D translation and rotation. Remember the Moment of Inertia of a disk.
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Transcribed Image Text:1. a) Convert 60° to radian measure. b) An angle
TC
is equivalent to how many
6.
degrees?
ution of ele
2. A wheel rotates with a constant angular acceleration of 3.50 rad/s². If the angular
speed of the wheel is 2.00 rad/s when the motion started.
syer if they
5 such as gl
(a) Through what angle does the wheel rotate in 2.00 s?
all chargec
(b) What is the angular speed att = 2.00 s?
3. A solid disk rotates with a constant angular deceleration of -2.0 rad/s^2. If the angular
speed of the wheel was +6.00 rad/s when motion began,
ind its strom
irbon part c
di
(a) Through what angle does the disk rotates in 1.5 s?
I are very
tration are
(b) Find the angular speed at the end of 1.5 s.
ant inorgani
4. A 15N force is applied to a cord wrapped around a pulley of mass
production c
iful positivek
s across celL
M= 4kg and radius R = 33cm. The pulley accelerates uniformly from rest to an
angular speed @,= 30 rad/s in 3 seconds. If the frictional torque (at axle) is
%3D
%3D
%3D
T, =1.10mN, determine
Aw
a) The angular acceleration a =
At
b) The moment of Inertia of the pulley (disk I= (1/2)m r^2)
c) The linear speed v=0•r
d) The rotational kinetic energy KE, =-lo²
%3D
5. A drum rotates around its central axis at an angular velocity of 12.6 rad/s. If the
drum slows down at a constant rate to 8.4 rad/s in 2 seconds,
a) What is the angular acceleration? b) Through what angle 0 did it rotate?
6. You roll a disk along the sidewalk. The disk's mass is 0.5kg, r 0.12m,
v=2m/s. Find the total Kinetic Energy. That is the combined energy of
%3D
translation and rotation.
Remember the Moment of Inertia of a disk.
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