Question
A rod of length l=2.2m and mass M= 9.7kg joins two particles with masses m1 =12.9kg...
A rod of length l=2.2m and mass M= 9.7kg joins two particles with masses m1 =12.9kg and m2 = 5.0kg, at its ends. The combination rotates in the xy-plane about a pivot through the center of the rod with the linear speed of the masses of v= 12.9 m/s. (Moment of inertia of a uniform rod rotating about its center of mass
I=
| 1 |
| 12 |
M l2
)
a) Calculate the total moment of inertia of the system
I = kg m 2
b) What is the magnitude of the angular momentum about the
origin?
L= kg m2 /s
c)If the length of the rod reduces to l=1.1m. What will be the
final angular speed ωf?
ωf = rad/s
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
A rod of length l=1.1m and mass M= 5.5kg joins two particles with masses m1 =4.8kg...
A rod of length l=1.1m and mass M= 5.5kg joins two particles
with masses m1 =4.8kg and m2 = 2.8kg, at its ends. The combination
rotates in the xy-plane about a pivot through the center of the rod
with the linear speed of the masses of v= 3.5 m/s. (Moment of
inertia of a uniform rod rotating about its center of mass I= 1 12
M l2 ) angularmomentum a) Calculate the total moment of inertia of
the system I...
A rod of length l=0.8m and mass M= 3.7kg joins two particles with masses m1 =4.5kg...
A rod of length l=0.8m and mass M= 3.7kg joins two particles
with masses m1 =4.5kg and m2 = 2.8kg, at its
ends. The combination rotates in the xy-plane about a pivot through
the center of the rod with the linear speed of the masses of v= 3.5
m/s. (Moment of inertia of a uniform rod rotating about its center
of mass
I=
1
12
M l2
a) Calculate the total moment of inertia of the system
b) What is...
(a) A light, rigid rod of length ℓ = 1.00 m joins two particles, with masses...
(a)
A light, rigid rod of length
ℓ = 1.00 m
joins two particles, with masses
m1 = 4.00 kg
and
m2 = 3.00 kg,
at its ends. The combination rotates in the xy-plane
about a pivot through the center of the rod (see figure below).
Determine the angular momentum of the system about the origin when
the speed of each particle is 4.80 m/s. (Enter the magnitude to at
least two decimal places in kg · m2/s.)
Two masses...
8%) Problem 15: A rod of mass M = 3.5 kg and length L can rotate...
8%)
Problem 15: A rod of mass M =
3.5 kg and length L can rotate about a hinge at its left
end and is initially at rest. A putty ball of mass m = 55
g, moving with speed v = 6.68 m/s, strikes the rod at
angle θ = 59° from the normal at a distance D =
2/3 L, where L = 1.25 m, from the point of
rotation and sticks to the rod after the collision....
A rod of length 10 m rotates about an axis perpendicular to its length and through...
A rod of length 10 m rotates about an axis perpendicular to its
length and through its center. Two particles of masses m1 = 4.0 kg
and m2 = 3.0 kg are connected to the ends of the rod. What is the
angular momentum of the system if the speed of each particle is 2.5
m/s?
A rod of length 10 m rotates about an axis perpendicular to its length and through...
A rod of length 10 m rotates about an axis perpendicular to its
length and through its center. Two particles of masses m1 = 4.0 kg
and m2 = 3.0 kg are connected to the ends of the rod. What is the
angular momentum of the system if the speed of each particle is 2.5
m/s?
A rotating cylindrical rod of mass m=4 Kg and length l=1 meter is connected to a...
A rotating cylindrical rod of mass m=4 Kg and length l=1 meter
is connected to a falling weight of 300 grams with a 2 meters
string (Maximum distance covered by the falling weight). The
distance from the wound string to the axis of rotation is 300 mm.
The time taken by the falling weight to halfway is 2 seconds and to
the bottom is 2.7 seconds.
Change of angular momentum in the spinning rod
Mass (Kg)
Moment of Inertial of...
A rigid rod of mass 5.30 kg and length of 1.50 m rotates in a vertical...
A rigid rod of mass 5.30 kg and length of 1.50 m rotates in a
vertical (x,y) plane about a frictionless pivot through its center.
Particles m_1 (mass=6.30 kg) and m_2 (mass=2.20 kg) are attached at
the ends of the rod. Determine the size of the angular acceleration
of the system when the rod makes an angle of 42.1° with the
horizontal.
A massless rod of length 1.00 m has a 2.00-kg mass attached to one end and...
A massless rod of length 1.00 m has a 2.00-kg mass attached to
one end and a 3.00-kg mass attached to the other (See Fig. 1). The
system rotates about a fixed axis perpendicular to the rod that
passes through the rod 30.0 cm from the end with the 3.00-kg mass
attached. The kinetic energy of the system is 100 J. What is the
angular speed of this system? and what is the moment of
inertia?
1) A torque of 1.20 N m is applied to a thin rod of mass 2.50...
1) A torque of 1.20 N m is applied to a thin rod of mass 2.50 kg
and length 50.0 cm pivoted about its center and at rest. How fast
is the rod spinning after 4.25 s?
a. 32.6 rad/s
b. 8.16 rad/s
c. 97.9 rad/s
d. 24.5 rad/s
2) A torque of 1.20 N m is applied to a thin rod of mass 2.50 kg
and length 50.0 cm pivoted about one end and at rest. How fast is...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 24 seconds ago
asked 12 minutes ago
asked 26 minutes ago
asked 30 minutes ago
asked 40 minutes ago
asked 50 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago