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Rotation
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Questions (441)
A 715 gram grinding wheel 29.5 {\rm cm} in diameter is in the shape of a uniform solid disk. (We can ignore the small hole at
2 answers
asked by
Anonymous
993 views
There is a door that is 1.0 m wide and can rotate about a vertical axis without friction. The door’s mass is 15 kg and is free
1 answer
asked by
Andrea
954 views
If a cylindrical space station 300 {\rm m} in diameter is to spin about its central axis, at how many revolutions per minute
3 answers
asked by
Bronson
916 views
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space.
2 answers
asked by
Matt
919 views
A cooling fan is turned off when it is running at 880 . It turns 1300 revolutions before it comes to a stop.
What was the fan's
3 answers
asked by
juana
853 views
Consider a rotating platform such as you used in lab. Imagine that it is initially rotating at some angular velocity.
You drop a
3 answers
asked by
sara
853 views
A ballet student with her arms and a leg extended has a moment of inertia of 2.4 kgm^2 as she spins with a rotational speed of
2 answers
asked by
clary
852 views
(a) One blade of a pair of scissors rotates clockwise in the xy plane. What is the direction of for the blade?
into the xy plane
5 answers
asked by
zina
2,884 views
A long string is wrapped around a 6.2cm diameter cylinder, initially at rest, that is free to rotate on an axle. The string is
2 answers
asked by
Krista
818 views
Moment of inertia of a 'non-uniform' ring of mass M and radius R about axis through centre and normal to its plane is
2 answers
asked by
Clandestine
792 views
The angular position of a point on the rim of a rotating wheel is given by Theta = 4.0t-3t^2+t^3, where theta is in radians and
3 answers
asked by
Scott
790 views
A triangle's coordinates are (-2,1), (-6,1), and (-4, 5). After the triangle is rotated clockwise 270°about the origin, what
4 answers
asked by
Chill
720 views
The base of a record player is a disk that has a mass of 2 kg and a diameter of 34 cm. A child spins it so it rotates at a
1 answer
asked by
anonymous
745 views
a turntable rotates about a fixed axis, making one revolution in 10s . the moment of inertia of the turntable about it's axis is
1 answer
asked by
albert
751 views
When you roll a quarter on its edge, how far does it travel with each complete revolution?
2 answers
asked by
Aundria Flecher
713 views
A solid cylinder of mass 20 kg rotate about its axis of rotation with angular speed 100m/s. The radius of the cylinder is 0.25m.
3 answers
asked by
shubham mahur
728 views
An irregularly shaped plastic plate with uniform thickness and density (mass per unit volume) is to be rotated around an axle
1 answer
asked by
Calvin
696 views
In xy plane the line l has equation y= -x. point p lies on l and has coordinates(-2,2) If l is rotated counterclockwise 45
2 answers
asked by
Agnes
693 views
a pulley with rotational inertia of 1.5 times 10 ^-3 kg times m^2 about its axle and a radius of 15 cm is acted on by a force
3 answers
asked by
matt
667 views
Rotating initially at 1800 rpm, a wheel with a diameter of 74.0 cm is brought to rest in 11.0 s. Calculate the magnitude of its
4 answers
asked by
George
625 views
A 49.7-cm diameter disk rotates with a constant angular acceleration of 2.7 rad/s2. It starts from rest at t = 0, and a line
2 answers
asked by
Anonymous
649 views
A mass of 1.0 kg is located at the end of a very light and rigid rod 44 cm in length. The rod is rotating about an axis at its
2 answers
asked by
Jermaine
608 views
Quadrilateral ABCD is rotated 90 dergees about the origin. What are the coordinates of the quadrilateral A'B'C'D.
2 answers
asked by
Anonymous
587 views
A turntable with a moment of inertia of 0.017 kg*m^2 rotates feely at 3.3 rad/s. A circular disk of mass 240 g and diameter 26
2 answers
asked by
John
599 views
The firetruck goes around a 180°, 162 m radius circular curve. It enters the curve with a speed of 12.6 m/s and leaves the
3 answers
asked by
sandhu
581 views
(a) Calculate the kinetic energy that the earth has because of its rotation about its own axis. Assume that the earth is a
2 answers
asked by
Kyle
582 views
Consider a 9·kg disk with a radius of 0.9·m and rotating about an axis passing through its center.
(a) What is its rotational
2 answers
asked by
wally
569 views
A wizard with a long beard and bright, flaming eyes places a table in front of you. On the table are two circular rings
2 answers
asked by
Roberta
547 views
A solid, horizontal cylinder of mass 12.0 kg and radius 2.30 m rotates with an angular speed of 6.70 rad/s about a fixed
2 answers
asked by
Anonymous
558 views
Would someone check my thinking please.
A solid sphere (mass, r, and moment of inertia given) is rotating at a given angular
3 answers
asked by
charlie
527 views
wheel is spinning with angular speed 8.6 radian/sec.small fractional force on shaft causes a constant angular deacceleration and
1 answer
asked by
ali
523 views
A disk is free to rotate around its fixed axis of revolution (delta). The moment of inertia of disk around delta is J=4×10^-2
2 answers
asked by
vicky
510 views
A centrifuge in a medical laboratory rotates at an angular speed of 3300 rev/ min. When switched off, it rotates through 59.0
1 answer
asked by
Anonymous
508 views
A hollow sphere has a mass of 15 kg, an inner radius of 12 cm and an outer radius of 18 cm. What is the rotational inertia
1 answer
asked by
Mike
494 views
What is the new point after rotating the point (3, -5) 180° clockwise?
1 answer
asked by
aaa
117 views
Two disks are mounted (like a merry-go-round) on low-friction bearings on the same axle and can be brought together so that they
1 answer
asked by
kristy
477 views
A man facing north turns to face south-west .Through how many degree did he turn if a. he turned clockwise b. he turned
1 answer
asked by
althea alli
467 views
Consider the rotational motion of two compact discs (CD). Disc A undergoes a rotation of 540 degrees in 1.50 secs, and disc B
3 answers
asked by
Anonymous
444 views
Given a point on a line segment (-4, -6), what is the new point when the point is rotated clockwise about the origin 90 degrees?
3 answers
asked by
aaa
149 views
Given a point (1, 2) on a geometric figure, what is the new point when the figure is rotated clockwise about the origin 180
1 answer
asked by
aaa
146 views
Given a point (-6, 4) in a line segment, what is the point when the line segment is rotated counterclockwise about the origin
5 answers
asked by
aaa
201 views
Rotate the point (-4, -6) on a geometric figure 180 degrees counterclockwise. What is the new point?
1. (4, 6) 2. (-4, 6) 3. (6,
1 answer
asked by
aaa
141 views
A flywheel has a constant angular deceleration of 1.3 rad/s^2. Find the angle through which the flywheel turns as it comes to
1 answer
asked anonymously
44 views
Point A is the original point before rotating. Which point represents A′ after A(4, 1) is rotated 90° counterclockwise: B , C
1 answer
asked anonymously
295 views
What is the image of the point (1, -4) after rotation of 180° counterclockwise about the origin?
1 answer
asked by
aaa
42 views
f a segment has endpoints (0, 4) and (3, 4) , how long will the segment be after it is rotated 270° clockwise?
3 answers
asked anonymously
27 views
If a segment has endpoints (0, 4) and (3, 4) how long will the segment be after it is rotated 270 degrees clockwise
1 answer
asked anonymously
40 views
A 33.0 kg child named Lindsey runs as fast as she can and jumps onto the outer edge of a merry-go-round. The merry-go-round is
1 answer
asked anonymously
32 views
Which of the following functions rotates an asset at a certain angle?
(1 point) Responses this.angle this.angle
1 answer
asked anonymously
121 views
If a segment has endpoints (0,4) and (3,4) how long will the segment be after it is rotated 270 clockwise
3 answers
asked anonymously
29 views
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Parent Categories (27)
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