Physics, 25.05.2021 21:40 Anthonyc123
Which statement best describes one way that spiral and elliptical galaxies
typically differ? *
O Spiral galaxies are large, but elliptical galaxies are smaller.
Elliptical galaxies contain stars, but spiral galaxies contain dust and gas.
O Spiral galaxies contain young stars, but elliptical galaxies contain mainly old stars.
Elliptical galaxies are held together by gravity, but spiral galaxies are held together by
centrifugal forces.
Answers: 2
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The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping
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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 11:00, stankyweezle
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 3
Which statement best describes one way that spiral and elliptical galaxies
typically differ? *
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