Physics, 12.03.2020 20:52 dasiaflowers85
A circular disk, a ring, and a square have the same mass M and width 2 r. disk 2 r ring 2 r square 2 r For the moment of inertia about their center of mass about an axis perpendicular to the plane of the paper, which statement concerning their moments of inertia is true?
1. Iring > Idisk > Isquare
2. Idisk > Iring > Isquare
3. Isquare > Iring > Idisk
4. Isquare > Idisk > Iring
5. Iring > Isquare > Idisk
6. Idisk > Isquare > Iring
Answers: 3
Physics, 21.06.2019 23:30
Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.
Answers: 1
Physics, 22.06.2019 03:30
Acoyote chasing a rabbit is moving 8.00 m/s due east at one moment and 8.80 m/s due south 4.25 s later. let the x axis point due east and the y axis point due north. find the direction of the coyote's average acceleration during that time.
Answers: 1
Physics, 22.06.2019 13:00
Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg
Answers: 1
Physics, 22.06.2019 19:00
Review multiple-concept example 7 in this chapter as an aid in solving this problem. in a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so that the ball in her hand moves in a circle. in one instance, the radius of the circle is 0.626 m. at one point on this circle, the ball has an angular acceleration of 66.1 rad/s2 and an angular speed of 12.6 rad/s. (a) find the magnitude of the total acceleration (centripetal plus tangential) of the ball. (b) determine the angle of the total acceleration relative to the radial direction.
Answers: 3
A circular disk, a ring, and a square have the same mass M and width 2 r. disk 2 r ring 2 r square 2...
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