Calculate the rotational energy of a segment, given mass of the segment is 2.2 kg, moment...
Calculate the rotational energy of a segment, given mass of the segment is 2.2 kg, moment of inertia is 0.57 kg-m2, and angular velocity is 25 rad/s.
a. 178 J
b. 7.13 J
c. 356 J
d. 102 J
Homework Answers
Add Answer to:
Calculate the rotational energy of a segment, given mass of the
segment is 2.2 kg, moment...
Match the units with the rotational quantity: Moment of inertia Angular acceleration Torque Rotational kinetic energy...
Match the units with the rotational quantity: Moment of inertia Angular acceleration Torque Rotational kinetic energy Angular Momentum a. kg·m2/s b. J c. N·m d. kg m2 e. rad s-2
Two objects, A with mass mA=0.25 kg and B with mass mB=1.25 kg, are held at...
Two objects, A with mass mA=0.25 kg and B with mass mB=1.25 kg, are held at rest on a spring is released, A has a kinetic energy of 22 J and B has a kinetic energy of A) 110 J g is compressed between them. Immediately after the B) 5.5J C) 11 J D) 4.4 J E) 19.4 J 18. A certain wheel has a rotational inertia of 12 kg m2. As it turns through 5.0 rev its angular velocity...
A person of mass 55 kg stands at the center of a rotating merry-go-round platform of...
A person of mass 55 kg stands at the center of a rotating merry-go-round platform of radius 3.4 m and moment of inertia 670 kg · m2. The platform rotates without friction with angular velocity 2.0 rad/s. The person walks radially to the edge of the platform. (a) Calculate the angular velocity when the person reaches the edge. ......................... rad/s (b) Calculate the rotational kinetic energy of the system of platform plus person before the person's walk. ..........................J (c) Calculate...
A flat horizontal disc of moment of inertia 2.2 kg m2 is rotating at 4.5 rad...
A flat horizontal disc of moment of inertia 2.2 kg m2 is rotating at 4.5 rad s-1 about a vertical axis through its centre. A 0.13 kg mass is dropped onto the disc, landing without slipping 1.4 m from the centre. Calculate the new angular velocity of the disc, in rad s-1 , to 2d.p.
A person of mass 70 kg stands at the center of a rotating merry-go-round platform of...
A person of mass 70 kg stands at the center of a rotating merry-go-round platform of radius 3.4 m and moment of inertia 940 kg⋅m2 . The platform rotates without friction with angular velocity 1.6 rad/s . The person walks radially to the edge of the platform. Calculate the angular velocity when the person reaches the edge. In rad/sec Calculate the rotational kinetic energy of the system of platform plus person before and after the person's walk. In J.
A person of mass 80 kg stands at the center of a rotating merry-go-round platform of radius 3.5 m and moment of inertia...
A person of mass 80 kg stands at the center of a rotating merry-go-round platform of radius 3.5 m and moment of inertia 950 kg*m^2 . The platform rotates without friction with angular velocity 0.85 rad/s . The person walks radially to the edge of the platform. 1.Calculate the angular velocity when the person reaches the edge. w=______________ rad/s 2.Calculate the rotational kinetic energy of the system of platform plus person before the person's walk. Ki=____________ J 3.Calculate the rotational...
Calculate the moment of inertia, the magnitude of the rotational angular momentum, and the energy in the J - 4 rotational state for 14N2 Calculate the moment of inertia, the magnitude of the rot...
Calculate the moment of inertia, the magnitude of the rotational angular momentum, and the energy in the J - 4 rotational state for 14N2
Calculate the moment of inertia, the magnitude of the rotational angular momentum, and the energy in the J - 4 rotational state for 14N2
Calculate the rotational kinetic energy in the motorcycle wheel if it’s angular velocity is 110 rad/s....
Calculate the rotational kinetic energy in the motorcycle wheel if it’s angular velocity is 110 rad/s. Assum m= 14.5 kg, R1= 0.29 m, and R2= 0.32 m. Moment of inertia for the wheel I= Unit = KE rot =. Unit=
E17. A uniform disk with a mass of 7 kg and a radius of 0.4 m is rotating with a rotational veloc...
E17. A uniform disk with a mass of 7 kg and a radius of 0.4 m is rotating with a rotational velocity of 15 rad/s. a. What is the rotational inertia of the disk? (See fig. 8.15.) b. What is the angular momentum of the disk?
E17. A uniform disk with a mass of 7 kg and a radius of 0.4 m is rotating with a rotational velocity of 15 rad/s. a. What is the rotational inertia of the disk?...
A person of mass 77 kg stands at the center of a rotating merry-go-round platform of...
A person of mass 77 kg stands at the center of a rotating merry-go-round platform of radius 2.8 mand moment of inertia 840 kg⋅m2 . The platform rotates without friction with angular velocity 0.95 rad/s . The person walks radially to the edge of the platform. Calculate the rotational kinetic energy of the system of platform plus person before and after the person's walk.
Two objects, A with mass mA=0.25 kg and B with mass mB=1.25 kg, are held at rest on a spring is released, A has a kinetic energy of 22 J and B has a kinetic energy of A) 110 J g is compressed between them. Immediately after the B) 5.5J C) 11 J D) 4.4 J E) 19.4 J 18. A certain wheel has a rotational inertia of 12 kg m2. As it turns through 5.0 rev its angular velocity...
Calculate the moment of inertia, the magnitude of the rotational angular momentum, and the energy in the J - 4 rotational state for 14N2
Calculate the moment of inertia, the magnitude of the rotational angular momentum, and the energy in the J - 4 rotational state for 14N2
E17. A uniform disk with a mass of 7 kg and a radius of 0.4 m is rotating with a rotational velocity of 15 rad/s. a. What is the rotational inertia of the disk? (See fig. 8.15.) b. What is the angular momentum of the disk?
E17. A uniform disk with a mass of 7 kg and a radius of 0.4 m is rotating with a rotational velocity of 15 rad/s. a. What is the rotational inertia of the disk?...
Most questions answered within 3 hours.
-
Two forces of magnitudes 9.0 N and 12.0 N act on an object.
What is the...
asked 19 seconds ago -
Given the Boolean function F=
xy'z+x'y'z+xyz
a.List the truth table of the function.
b.Draw the logic...
asked 25 minutes ago -
BACKGROUND
Movie Review sites collect reviews and will often provide some
sort of average review to...
asked 13 minutes ago -
A union employee does not fall under the employment-at-will
doctrine. True or False
asked 15 minutes ago -
Determine whether each of the following statements is
TRUE or FALSE, and write a short explanation...
asked 27 minutes ago -
Please NEED ASAP
- How does Arrowsmith reveal the increasing commercialism of
medical practice and research?...
asked 29 minutes ago -
The category name and a count of the number of products within
each category. The listing...
asked 20 minutes ago -
Write a simple telephone directory program in C++ that looks up
phone numbers in a file...
asked 30 minutes ago -
Suppose a certain species bird has an average weight
of grams. We can assume that the weights...
asked 43 minutes ago -
A spontaneous reaction
Select one:
a. is always exothermic.
b. may be exothermic or endothermic.
c....
asked 37 minutes ago -
a 59-kg person sits on a 7.2-kg chair. Each leg of the chair
makes contact with...
asked 41 minutes ago -
A manual arc-welding cell uses a welder and a fitter. The cell
operates 2000 hr/yr. The...
asked 40 minutes ago