Physics, 13.08.2019 00:30 jonesmegan526
Ahollow sphere of radius 0.200 m, with rotational inertia i = 0.0484 kg·m2 about a line through its center of mass, rolls without slipping up a surface inclined at 27.1° to the horizontal. at a certain initial position, the sphere's total kinetic energy is 20.0 j. (a) how much of this initial kinetic energy is rotational? (b) what is the speed of the center of mass of the sphere at the initial position? when the sphere has moved 0.900 m up the incline from its initial position, what are (c) its total kinetic energy and (d) the speed of its center of mass?
Answers: 3
Physics, 22.06.2019 10:00, starsinopoli13
How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.
Answers: 1
Physics, 22.06.2019 11:30, slim2077
Two 1.20-m nonconducting wires meet at a right angle. one segment carries + 2.50 µc of charge distributed uniformly along its length, and the other carries - 2.50 µc distributed uniformly along it, as shown in fig. 21.50. ( a. find the magnitude and direction of the electric field these wires produce at point p, which is 60.0 cm from each wire. ( b. if an electron is released at p, what are the magnitude and direction of the net force that these wires exert on it?
Answers: 3
Ahollow sphere of radius 0.200 m, with rotational inertia i = 0.0484 kg·m2 about a line through its...
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